39487240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75937}}^1$

素因数の和:75961

約数の個数: 32

約数和(自身を含む): 95681880

約数和(自身を除く): 56194640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 75937, 151874, 303748, 379685, 607496, 759370, 987181, 1518740, 1974362, 3037480, 3948724, 4935905, 7897448, 9871810, 19743620, 39487240]

約数ペア:

[(1, 39487240), (2, 19743620), (4, 9871810), (5, 7897448), (8, 4935905), (10, 3948724), (13, 3037480), (20, 1974362), (26, 1518740), (40, 987181), (52, 759370), (65, 607496), (104, 379685), (130, 303748), (260, 151874), (520, 75937)]