88925720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 228191040

約数和(自身を除く): 139265320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 43, 52, 65, 82, 86, 97, 104, 130, 164, 172, 194, 205, 215, 260, 328, 344, 388, 410, 430, 485, 520, 533, 559, 776, 820, 860, 970, 1066, 1118, 1261, 1640, 1720, 1763, 1940, 2132, 2236, 2522, 2665, 2795, 3526, 3880, 3977, 4171, 4264, 4472, 5044, 5330, 5590, 6305, 7052, 7954, 8342, 8815, 10088, 10660, 11180, 12610, 14104, 15908, 16684, 17630, 19885, 20855, 21320, 22360, 22919, 25220, 31816, 33368, 35260, 39770, 41710, 45838, 50440, 51701, 54223, 70520, 79540, 83420, 91676, 103402, 108446, 114595, 159080, 166840, 171011, 183352, 206804, 216892, 229190, 258505, 271115, 342022, 413608, 433784, 458380, 517010, 542230, 684044, 855055, 916760, 1034020, 1084460, 1368088, 1710110, 2068040, 2168920, 2223143, 3420220, 4446286, 6840440, 8892572, 11115715, 17785144, 22231430, 44462860, 88925720]

約数ペア:

[(1, 88925720), (2, 44462860), (4, 22231430), (5, 17785144), (8, 11115715), (10, 8892572), (13, 6840440), (20, 4446286), (26, 3420220), (40, 2223143), (41, 2168920), (43, 2068040), (52, 1710110), (65, 1368088), (82, 1084460), (86, 1034020), (97, 916760), (104, 855055), (130, 684044), (164, 542230), (172, 517010), (194, 458380), (205, 433784), (215, 413608), (260, 342022), (328, 271115), (344, 258505), (388, 229190), (410, 216892), (430, 206804), (485, 183352), (520, 171011), (533, 166840), (559, 159080), (776, 114595), (820, 108446), (860, 103402), (970, 91676), (1066, 83420), (1118, 79540), (1261, 70520), (1640, 54223), (1720, 51701), (1763, 50440), (1940, 45838), (2132, 41710), (2236, 39770), (2522, 35260), (2665, 33368), (2795, 31816), (3526, 25220), (3880, 22919), (3977, 22360), (4171, 21320), (4264, 20855), (4472, 19885), (5044, 17630), (5330, 16684), (5590, 15908), (6305, 14104), (7052, 12610), (7954, 11180), (8342, 10660), (8815, 10088)]