8505220

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1907}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 17950464

約数和(自身を除く): 9445244

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1907, 2230, 3814, 4460, 7628, 9535, 19070, 38140, 425261, 850522, 1701044, 2126305, 4252610, 8505220]

約数ペア:

[(1, 8505220), (2, 4252610), (4, 2126305), (5, 1701044), (10, 850522), (20, 425261), (223, 38140), (446, 19070), (892, 9535), (1115, 7628), (1907, 4460), (2230, 3814)]