487240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 1181880

約数和(自身を除く): 694640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 937, 1874, 3748, 4685, 7496, 9370, 12181, 18740, 24362, 37480, 48724, 60905, 97448, 121810, 243620, 487240]

約数ペア:

[(1, 487240), (2, 243620), (4, 121810), (5, 97448), (8, 60905), (10, 48724), (13, 37480), (20, 24362), (26, 18740), (40, 12181), (52, 9370), (65, 7496), (104, 4685), (130, 3748), (260, 1874), (520, 937)]