20181469360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{7759}}^1$

素因数の和:7887

約数の個数: 160

約数和(自身を含む): 52619132160

約数和(自身を除く): 32437662800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 61, 65, 80, 82, 104, 122, 130, 164, 205, 208, 244, 260, 305, 328, 410, 488, 520, 533, 610, 656, 793, 820, 976, 1040, 1066, 1220, 1586, 1640, 2132, 2440, 2501, 2665, 3172, 3280, 3965, 4264, 4880, 5002, 5330, 6344, 7759, 7930, 8528, 10004, 10660, 12505, 12688, 15518, 15860, 20008, 21320, 25010, 31036, 31720, 32513, 38795, 40016, 42640, 50020, 62072, 63440, 65026, 77590, 100040, 100867, 124144, 130052, 155180, 162565, 200080, 201734, 260104, 310360, 318119, 325130, 403468, 473299, 504335, 520208, 620720, 636238, 650260, 806936, 946598, 1008670, 1272476, 1300520, 1590595, 1613872, 1893196, 2017340, 2366495, 2544952, 2601040, 3181190, 3786392, 4034680, 4135547, 4732990, 5089904, 6152887, 6362380, 7572784, 8069360, 8271094, 9465980, 12305774, 12724760, 16542188, 18931960, 19405259, 20677735, 24611548, 25449520, 30764435, 33084376, 37863920, 38810518, 41355470, 49223096, 61528870, 66168752, 77621036, 82710940, 97026295, 98446192, 123057740, 155242072, 165421880, 194052590, 246115480, 252268367, 310484144, 330843760, 388105180, 492230960, 504536734, 776210360, 1009073468, 1261341835, 1552420720, 2018146936, 2522683670, 4036293872, 5045367340, 10090734680, 20181469360]

約数ペア:

[(1, 20181469360), (2, 10090734680), (4, 5045367340), (5, 4036293872), (8, 2522683670), (10, 2018146936), (13, 1552420720), (16, 1261341835), (20, 1009073468), (26, 776210360), (40, 504536734), (41, 492230960), (52, 388105180), (61, 330843760), (65, 310484144), (80, 252268367), (82, 246115480), (104, 194052590), (122, 165421880), (130, 155242072), (164, 123057740), (205, 98446192), (208, 97026295), (244, 82710940), (260, 77621036), (305, 66168752), (328, 61528870), (410, 49223096), (488, 41355470), (520, 38810518), (533, 37863920), (610, 33084376), (656, 30764435), (793, 25449520), (820, 24611548), (976, 20677735), (1040, 19405259), (1066, 18931960), (1220, 16542188), (1586, 12724760), (1640, 12305774), (2132, 9465980), (2440, 8271094), (2501, 8069360), (2665, 7572784), (3172, 6362380), (3280, 6152887), (3965, 5089904), (4264, 4732990), (4880, 4135547), (5002, 4034680), (5330, 3786392), (6344, 3181190), (7759, 2601040), (7930, 2544952), (8528, 2366495), (10004, 2017340), (10660, 1893196), (12505, 1613872), (12688, 1590595), (15518, 1300520), (15860, 1272476), (20008, 1008670), (21320, 946598), (25010, 806936), (31036, 650260), (31720, 636238), (32513, 620720), (38795, 520208), (40016, 504335), (42640, 473299), (50020, 403468), (62072, 325130), (63440, 318119), (65026, 310360), (77590, 260104), (100040, 201734), (100867, 200080), (124144, 162565), (130052, 155180)]