40391780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 103299840

約数和(自身を除く): 62908060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 110, 116, 130, 143, 145, 220, 260, 286, 290, 319, 377, 487, 572, 580, 638, 715, 754, 974, 1276, 1430, 1508, 1595, 1885, 1948, 2435, 2860, 3190, 3770, 4147, 4870, 5357, 6331, 6380, 7540, 8294, 9740, 10714, 12662, 14123, 16588, 20735, 21428, 25324, 26785, 28246, 31655, 41470, 53570, 56492, 63310, 69641, 70615, 82940, 107140, 126620, 139282, 141230, 155353, 183599, 278564, 282460, 310706, 348205, 367198, 621412, 696410, 734396, 776765, 917995, 1392820, 1553530, 1835990, 2019589, 3107060, 3671980, 4039178, 8078356, 10097945, 20195890, 40391780]

約数ペア:

[(1, 40391780), (2, 20195890), (4, 10097945), (5, 8078356), (10, 4039178), (11, 3671980), (13, 3107060), (20, 2019589), (22, 1835990), (26, 1553530), (29, 1392820), (44, 917995), (52, 776765), (55, 734396), (58, 696410), (65, 621412), (110, 367198), (116, 348205), (130, 310706), (143, 282460), (145, 278564), (220, 183599), (260, 155353), (286, 141230), (290, 139282), (319, 126620), (377, 107140), (487, 82940), (572, 70615), (580, 69641), (638, 63310), (715, 56492), (754, 53570), (974, 41470), (1276, 31655), (1430, 28246), (1508, 26785), (1595, 25324), (1885, 21428), (1948, 20735), (2435, 16588), (2860, 14123), (3190, 12662), (3770, 10714), (4147, 9740), (4870, 8294), (5357, 7540), (6331, 6380)]