84351980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18913}}^1$

素因数の和:19145

約数の個数: 24

約数和(自身を含む): 177942912

約数和(自身を除く): 93590932

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 18913, 37826, 75652, 94565, 189130, 378260, 4217599, 8435198, 16870396, 21087995, 42175990, 84351980]

約数ペア:

[(1, 84351980), (2, 42175990), (4, 21087995), (5, 16870396), (10, 8435198), (20, 4217599), (223, 378260), (446, 189130), (892, 94565), (1115, 75652), (2230, 37826), (4460, 18913)]