2791240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 6485760

約数和(自身を除く): 3694520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2251, 4502, 9004, 11255, 18008, 22510, 45020, 69781, 90040, 139562, 279124, 348905, 558248, 697810, 1395620, 2791240]

約数ペア:

[(1, 2791240), (2, 1395620), (4, 697810), (5, 558248), (8, 348905), (10, 279124), (20, 139562), (31, 90040), (40, 69781), (62, 45020), (124, 22510), (155, 18008), (248, 11255), (310, 9004), (620, 4502), (1240, 2251)]