142990640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137491}}^1$

素因数の和:137517

約数の個数: 40

約数和(自身を含む): 358029168

約数和(自身を除く): 215038528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 137491, 274982, 549964, 687455, 1099928, 1374910, 1787383, 2199856, 2749820, 3574766, 5499640, 7149532, 8936915, 10999280, 14299064, 17873830, 28598128, 35747660, 71495320, 142990640]

約数ペア:

[(1, 142990640), (2, 71495320), (4, 35747660), (5, 28598128), (8, 17873830), (10, 14299064), (13, 10999280), (16, 8936915), (20, 7149532), (26, 5499640), (40, 3574766), (52, 2749820), (65, 2199856), (80, 1787383), (104, 1374910), (130, 1099928), (208, 687455), (260, 549964), (520, 274982), (1040, 137491)]