8865980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3923}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 18788112

約数和(自身を除く): 9922132

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 3923, 7846, 15692, 19615, 39230, 78460, 443299, 886598, 1773196, 2216495, 4432990, 8865980]

約数ペア:

[(1, 8865980), (2, 4432990), (4, 2216495), (5, 1773196), (10, 886598), (20, 443299), (113, 78460), (226, 39230), (452, 19615), (565, 15692), (1130, 7846), (2260, 3923)]