38706760

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1987}}^1$

素因数の和:2485

約数の個数: 32

約数和(自身を含む): 87312960

約数和(自身を除く): 48606200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 1987, 2435, 3896, 3974, 4870, 7948, 9740, 9935, 15896, 19480, 19870, 39740, 79480, 967669, 1935338, 3870676, 4838345, 7741352, 9676690, 19353380, 38706760]

約数ペア:

[(1, 38706760), (2, 19353380), (4, 9676690), (5, 7741352), (8, 4838345), (10, 3870676), (20, 1935338), (40, 967669), (487, 79480), (974, 39740), (1948, 19870), (1987, 19480), (2435, 15896), (3896, 9935), (3974, 9740), (4870, 7948)]