12592400

素因数分解:

$2^4\times 5^2\times {\mathrm{31481}}^1$

素因数の和:31499

約数の個数: 30

約数和(自身を含む): 30254202

約数和(自身を除く): 17661802

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31481, 62962, 125924, 157405, 251848, 314810, 503696, 629620, 787025, 1259240, 1574050, 2518480, 3148100, 6296200, 12592400]

約数ペア:

[(1, 12592400), (2, 6296200), (4, 3148100), (5, 2518480), (8, 1574050), (10, 1259240), (16, 787025), (20, 629620), (25, 503696), (40, 314810), (50, 251848), (80, 157405), (100, 125924), (200, 62962), (400, 31481)]