39485960

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2027}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 89069760

約数和(自身を除く): 49583800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2027, 2435, 3896, 4054, 4870, 8108, 9740, 10135, 16216, 19480, 20270, 40540, 81080, 987149, 1974298, 3948596, 4935745, 7897192, 9871490, 19742980, 39485960]

約数ペア:

[(1, 39485960), (2, 19742980), (4, 9871490), (5, 7897192), (8, 4935745), (10, 3948596), (20, 1974298), (40, 987149), (487, 81080), (974, 40540), (1948, 20270), (2027, 19480), (2435, 16216), (3896, 10135), (4054, 9740), (4870, 8108)]