39637880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 95878080

約数和(自身を除く): 56240200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 821, 1207, 1420, 1642, 2414, 2840, 3284, 4105, 4828, 6035, 6568, 8210, 9656, 12070, 13957, 16420, 24140, 27914, 32840, 48280, 55828, 58291, 69785, 111656, 116582, 139570, 233164, 279140, 291455, 466328, 558280, 582910, 990947, 1165820, 1981894, 2331640, 3963788, 4954735, 7927576, 9909470, 19818940, 39637880]

約数ペア:

[(1, 39637880), (2, 19818940), (4, 9909470), (5, 7927576), (8, 4954735), (10, 3963788), (17, 2331640), (20, 1981894), (34, 1165820), (40, 990947), (68, 582910), (71, 558280), (85, 466328), (136, 291455), (142, 279140), (170, 233164), (284, 139570), (340, 116582), (355, 111656), (568, 69785), (680, 58291), (710, 55828), (821, 48280), (1207, 32840), (1420, 27914), (1642, 24140), (2414, 16420), (2840, 13957), (3284, 12070), (4105, 9656), (4828, 8210), (6035, 6568)]