28734800

素因数分解:

$2^4\times 5^2\times {\mathrm{71837}}^1$

素因数の和:71855

約数の個数: 30

約数和(自身を含む): 69036318

約数和(自身を除く): 40301518

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71837, 143674, 287348, 359185, 574696, 718370, 1149392, 1436740, 1795925, 2873480, 3591850, 5746960, 7183700, 14367400, 28734800]

約数ペア:

[(1, 28734800), (2, 14367400), (4, 7183700), (5, 5746960), (8, 3591850), (10, 2873480), (16, 1795925), (20, 1436740), (25, 1149392), (40, 718370), (50, 574696), (80, 359185), (100, 287348), (200, 143674), (400, 71837)]