12985120

素因数分解:

$2^5\times 5^1\times {\mathrm{81157}}^1$

素因数の和:81172

約数の個数: 24

約数和(自身を含む): 30677724

約数和(自身を除く): 17692604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81157, 162314, 324628, 405785, 649256, 811570, 1298512, 1623140, 2597024, 3246280, 6492560, 12985120]

約数ペア:

[(1, 12985120), (2, 6492560), (4, 3246280), (5, 2597024), (8, 1623140), (10, 1298512), (16, 811570), (20, 649256), (32, 405785), (40, 324628), (80, 162314), (160, 81157)]