38655280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 97520544

約数和(自身を除く): 58865264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 661, 680, 688, 731, 860, 1322, 1360, 1462, 1720, 2644, 2924, 3305, 3440, 3655, 5288, 5848, 6610, 7310, 10576, 11237, 11696, 13220, 14620, 22474, 26440, 28423, 29240, 44948, 52880, 56185, 56846, 58480, 89896, 112370, 113692, 142115, 179792, 224740, 227384, 284230, 449480, 454768, 483191, 568460, 898960, 966382, 1136920, 1932764, 2273840, 2415955, 3865528, 4831910, 7731056, 9663820, 19327640, 38655280]

約数ペア:

[(1, 38655280), (2, 19327640), (4, 9663820), (5, 7731056), (8, 4831910), (10, 3865528), (16, 2415955), (17, 2273840), (20, 1932764), (34, 1136920), (40, 966382), (43, 898960), (68, 568460), (80, 483191), (85, 454768), (86, 449480), (136, 284230), (170, 227384), (172, 224740), (215, 179792), (272, 142115), (340, 113692), (344, 112370), (430, 89896), (661, 58480), (680, 56846), (688, 56185), (731, 52880), (860, 44948), (1322, 29240), (1360, 28423), (1462, 26440), (1720, 22474), (2644, 14620), (2924, 13220), (3305, 11696), (3440, 11237), (3655, 10576), (5288, 7310), (5848, 6610)]