4080201920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{1013}}^1$

素因数の和:1378

約数の個数: 112

約数和(自身を含む): 9995233248

約数和(自身を除く): 5915031328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 307, 320, 328, 410, 614, 656, 820, 1013, 1228, 1312, 1535, 1640, 2026, 2456, 2624, 3070, 3280, 4052, 4912, 5065, 6140, 6560, 8104, 9824, 10130, 12280, 12587, 13120, 16208, 19648, 20260, 24560, 25174, 32416, 40520, 41533, 49120, 50348, 62935, 64832, 81040, 83066, 98240, 100696, 125870, 162080, 166132, 201392, 207665, 251740, 310991, 324160, 332264, 402784, 415330, 503480, 621982, 664528, 805568, 830660, 1006960, 1243964, 1329056, 1554955, 1661320, 2013920, 2487928, 2658112, 3109910, 3322640, 4027840, 4975856, 6219820, 6645280, 9951712, 12439640, 12750631, 13290560, 19903424, 24879280, 25501262, 49758560, 51002524, 63753155, 99517120, 102005048, 127506310, 204010096, 255012620, 408020192, 510025240, 816040384, 1020050480, 2040100960, 4080201920]

約数ペア:

[(1, 4080201920), (2, 2040100960), (4, 1020050480), (5, 816040384), (8, 510025240), (10, 408020192), (16, 255012620), (20, 204010096), (32, 127506310), (40, 102005048), (41, 99517120), (64, 63753155), (80, 51002524), (82, 49758560), (160, 25501262), (164, 24879280), (205, 19903424), (307, 13290560), (320, 12750631), (328, 12439640), (410, 9951712), (614, 6645280), (656, 6219820), (820, 4975856), (1013, 4027840), (1228, 3322640), (1312, 3109910), (1535, 2658112), (1640, 2487928), (2026, 2013920), (2456, 1661320), (2624, 1554955), (3070, 1329056), (3280, 1243964), (4052, 1006960), (4912, 830660), (5065, 805568), (6140, 664528), (6560, 621982), (8104, 503480), (9824, 415330), (10130, 402784), (12280, 332264), (12587, 324160), (13120, 310991), (16208, 251740), (19648, 207665), (20260, 201392), (24560, 166132), (25174, 162080), (32416, 125870), (40520, 100696), (41533, 98240), (49120, 83066), (50348, 81040), (62935, 64832)]