974480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 2442552

約数和(自身を除く): 1468072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 937, 1040, 1874, 3748, 4685, 7496, 9370, 12181, 14992, 18740, 24362, 37480, 48724, 60905, 74960, 97448, 121810, 194896, 243620, 487240, 974480]

約数ペア:

[(1, 974480), (2, 487240), (4, 243620), (5, 194896), (8, 121810), (10, 97448), (13, 74960), (16, 60905), (20, 48724), (26, 37480), (40, 24362), (52, 18740), (65, 14992), (80, 12181), (104, 9370), (130, 7496), (208, 4685), (260, 3748), (520, 1874), (937, 1040)]