31079620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10867}}^1$

素因数の和:10900

約数の個数: 48

約数和(自身を含む): 76684608

約数和(自身を除く): 45604988

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10867, 21734, 43468, 54335, 108670, 119537, 141271, 217340, 239074, 282542, 478148, 565084, 597685, 706355, 1195370, 1412710, 1553981, 2390740, 2825420, 3107962, 6215924, 7769905, 15539810, 31079620]

約数ペア:

[(1, 31079620), (2, 15539810), (4, 7769905), (5, 6215924), (10, 3107962), (11, 2825420), (13, 2390740), (20, 1553981), (22, 1412710), (26, 1195370), (44, 706355), (52, 597685), (55, 565084), (65, 478148), (110, 282542), (130, 239074), (143, 217340), (220, 141271), (260, 119537), (286, 108670), (572, 54335), (715, 43468), (1430, 21734), (2860, 10867)]