2180540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3517}}^1$

素因数の和:3557

約数の個数: 24

約数和(自身を含む): 4728192

約数和(自身を除く): 2547652

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3517, 7034, 14068, 17585, 35170, 70340, 109027, 218054, 436108, 545135, 1090270, 2180540]

約数ペア:

[(1, 2180540), (2, 1090270), (4, 545135), (5, 436108), (10, 218054), (20, 109027), (31, 70340), (62, 35170), (124, 17585), (155, 14068), (310, 7034), (620, 3517)]