39501260

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1993}}^1$

素因数の和:2993

約数の個数: 24

約数和(自身を含む): 83078016

約数和(自身を除く): 43576756

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 1993, 3964, 3986, 4955, 7972, 9910, 9965, 19820, 19930, 39860, 1975063, 3950126, 7900252, 9875315, 19750630, 39501260]

約数ペア:

[(1, 39501260), (2, 19750630), (4, 9875315), (5, 7900252), (10, 3950126), (20, 1975063), (991, 39860), (1982, 19930), (1993, 19820), (3964, 9965), (3986, 9910), (4955, 7972)]