38399820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{639997}}^1$

素因数の和:640009

約数の個数: 24

約数和(自身を含む): 107519664

約数和(自身を除く): 69119844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 639997, 1279994, 1919991, 2559988, 3199985, 3839982, 6399970, 7679964, 9599955, 12799940, 19199910, 38399820]

約数ペア:

[(1, 38399820), (2, 19199910), (3, 12799940), (4, 9599955), (5, 7679964), (6, 6399970), (10, 3839982), (12, 3199985), (15, 2559988), (20, 1919991), (30, 1279994), (60, 639997)]