3989840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1007

約数の個数: 40

約数和(自身を含む): 9461448

約数和(自身を除く): 5471608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 941, 1060, 1882, 2120, 3764, 4240, 4705, 7528, 9410, 15056, 18820, 37640, 49873, 75280, 99746, 199492, 249365, 398984, 498730, 797968, 997460, 1994920, 3989840]

約数ペア:

[(1, 3989840), (2, 1994920), (4, 997460), (5, 797968), (8, 498730), (10, 398984), (16, 249365), (20, 199492), (40, 99746), (53, 75280), (80, 49873), (106, 37640), (212, 18820), (265, 15056), (424, 9410), (530, 7528), (848, 4705), (941, 4240), (1060, 3764), (1882, 2120)]