145572474440

素因数分解:

$2^3\times 5^1\times {\mathrm{6991}}^1\times {\mathrm{520571}}^1$

素因数の和:527573

約数の個数: 32

約数和(自身を含む): 327585548160

約数和(自身を除く): 182013073720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6991, 13982, 27964, 34955, 55928, 69910, 139820, 279640, 520571, 1041142, 2082284, 2602855, 4164568, 5205710, 10411420, 20822840, 3639311861, 7278623722, 14557247444, 18196559305, 29114494888, 36393118610, 72786237220, 145572474440]

約数ペア:

[(1, 145572474440), (2, 72786237220), (4, 36393118610), (5, 29114494888), (8, 18196559305), (10, 14557247444), (20, 7278623722), (40, 3639311861), (6991, 20822840), (13982, 10411420), (27964, 5205710), (34955, 4164568), (55928, 2602855), (69910, 2082284), (139820, 1041142), (279640, 520571)]