10400870

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2543}}^1$

素因数の和:2959

約数の個数: 16

約数和(自身を含む): 18774720

約数和(自身を除く): 8373850

約数列:

[1, 2, 5, 10, 409, 818, 2045, 2543, 4090, 5086, 12715, 25430, 1040087, 2080174, 5200435, 10400870]

約数ペア:

[(1, 10400870), (2, 5200435), (5, 2080174), (10, 1040087), (409, 25430), (818, 12715), (2045, 5086), (2543, 4090)]