51086800

素因数分解:

$2^4\times 5^2\times {\mathrm{127717}}^1$

素因数の和:127735

約数の個数: 30

約数和(自身を含む): 122736998

約数和(自身を除く): 71650198

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 127717, 255434, 510868, 638585, 1021736, 1277170, 2043472, 2554340, 3192925, 5108680, 6385850, 10217360, 12771700, 25543400, 51086800]

約数ペア:

[(1, 51086800), (2, 25543400), (4, 12771700), (5, 10217360), (8, 6385850), (10, 5108680), (16, 3192925), (20, 2554340), (25, 2043472), (40, 1277170), (50, 1021736), (80, 638585), (100, 510868), (200, 255434), (400, 127717)]