28710800

素因数分解:

$2^4\times 5^2\times {\mathrm{71777}}^1$

素因数の和:71795

約数の個数: 30

約数和(自身を含む): 68978658

約数和(自身を除く): 40267858

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71777, 143554, 287108, 358885, 574216, 717770, 1148432, 1435540, 1794425, 2871080, 3588850, 5742160, 7177700, 14355400, 28710800]

約数ペア:

[(1, 28710800), (2, 14355400), (4, 7177700), (5, 5742160), (8, 3588850), (10, 2871080), (16, 1794425), (20, 1435540), (25, 1148432), (40, 717770), (50, 574216), (80, 358885), (100, 287108), (200, 143554), (400, 71777)]