85746140

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{8423}}^1$

素因数の和:8941

約数の個数: 24

約数和(自身を含む): 180442080

約数和(自身を除く): 94695940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 8423, 10180, 16846, 33692, 42115, 84230, 168460, 4287307, 8574614, 17149228, 21436535, 42873070, 85746140]

約数ペア:

[(1, 85746140), (2, 42873070), (4, 21436535), (5, 17149228), (10, 8574614), (20, 4287307), (509, 168460), (1018, 84230), (2036, 42115), (2545, 33692), (5090, 16846), (8423, 10180)]