12530800

素因数分解:

$2^4\times 5^2\times {\mathrm{31327}}^1$

素因数の和:31345

約数の個数: 30

約数和(自身を含む): 30106208

約数和(自身を除く): 17575408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31327, 62654, 125308, 156635, 250616, 313270, 501232, 626540, 783175, 1253080, 1566350, 2506160, 3132700, 6265400, 12530800]

約数ペア:

[(1, 12530800), (2, 6265400), (4, 3132700), (5, 2506160), (8, 1566350), (10, 1253080), (16, 783175), (20, 626540), (25, 501232), (40, 313270), (50, 250616), (80, 156635), (100, 125308), (200, 62654), (400, 31327)]