8531980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1913}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 18006912

約数和(自身を除く): 9474932

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1913, 2230, 3826, 4460, 7652, 9565, 19130, 38260, 426599, 853198, 1706396, 2132995, 4265990, 8531980]

約数ペア:

[(1, 8531980), (2, 4265990), (4, 2132995), (5, 1706396), (10, 853198), (20, 426599), (223, 38260), (446, 19130), (892, 9565), (1115, 7652), (1913, 4460), (2230, 3826)]