38687820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{644797}}^1$

素因数の和:644809

約数の個数: 24

約数和(自身を含む): 108326064

約数和(自身を除く): 69638244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 644797, 1289594, 1934391, 2579188, 3223985, 3868782, 6447970, 7737564, 9671955, 12895940, 19343910, 38687820]

約数ペア:

[(1, 38687820), (2, 19343910), (3, 12895940), (4, 9671955), (5, 7737564), (6, 6447970), (10, 3868782), (12, 3223985), (15, 2579188), (20, 1934391), (30, 1289594), (60, 644797)]