7709740

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 16247952

約数和(自身を除く): 8538212

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 971, 1588, 1942, 1985, 3884, 3970, 4855, 7940, 9710, 19420, 385487, 770974, 1541948, 1927435, 3854870, 7709740]

約数ペア:

[(1, 7709740), (2, 3854870), (4, 1927435), (5, 1541948), (10, 770974), (20, 385487), (397, 19420), (794, 9710), (971, 7940), (1588, 4855), (1942, 3970), (1985, 3884)]