38686980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{644783}}^1$

素因数の和:644795

約数の個数: 24

約数和(自身を含む): 108323712

約数和(自身を除く): 69636732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 644783, 1289566, 1934349, 2579132, 3223915, 3868698, 6447830, 7737396, 9671745, 12895660, 19343490, 38686980]

約数ペア:

[(1, 38686980), (2, 19343490), (3, 12895660), (4, 9671745), (5, 7737396), (6, 6447830), (10, 3868698), (12, 3223915), (15, 2579132), (20, 1934349), (30, 1289566), (60, 644783)]