1640697440

素因数分解:

$2^5\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{6733}}^1$

素因数の和:8271

約数の個数: 48

約数和(自身を含む): 3879268848

約数和(自身を除く): 2238571408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1523, 3046, 6092, 6733, 7615, 12184, 13466, 15230, 24368, 26932, 30460, 33665, 48736, 53864, 60920, 67330, 107728, 121840, 134660, 215456, 243680, 269320, 538640, 1077280, 10254359, 20508718, 41017436, 51271795, 82034872, 102543590, 164069744, 205087180, 328139488, 410174360, 820348720, 1640697440]

約数ペア:

[(1, 1640697440), (2, 820348720), (4, 410174360), (5, 328139488), (8, 205087180), (10, 164069744), (16, 102543590), (20, 82034872), (32, 51271795), (40, 41017436), (80, 20508718), (160, 10254359), (1523, 1077280), (3046, 538640), (6092, 269320), (6733, 243680), (7615, 215456), (12184, 134660), (13466, 121840), (15230, 107728), (24368, 67330), (26932, 60920), (30460, 53864), (33665, 48736)]