1395620

素因数分解:

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

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 3026688

約数和(自身を除く): 1631068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2251, 4502, 9004, 11255, 22510, 45020, 69781, 139562, 279124, 348905, 697810, 1395620]

約数ペア:

[(1, 1395620), (2, 697810), (4, 348905), (5, 279124), (10, 139562), (20, 69781), (31, 45020), (62, 22510), (124, 11255), (155, 9004), (310, 4502), (620, 2251)]