87948400

素因数分解:

$2^4\times 5^2\times {\mathrm{219871}}^1$

素因数の和:219889

約数の個数: 30

約数和(自身を含む): 211296992

約数和(自身を除く): 123348592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 219871, 439742, 879484, 1099355, 1758968, 2198710, 3517936, 4397420, 5496775, 8794840, 10993550, 17589680, 21987100, 43974200, 87948400]

約数ペア:

[(1, 87948400), (2, 43974200), (4, 21987100), (5, 17589680), (8, 10993550), (10, 8794840), (16, 5496775), (20, 4397420), (25, 3517936), (40, 2198710), (50, 1758968), (80, 1099355), (100, 879484), (200, 439742), (400, 219871)]