38406540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{640109}}^1$

素因数の和:640121

約数の個数: 24

約数和(自身を含む): 107538480

約数和(自身を除く): 69131940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 640109, 1280218, 1920327, 2560436, 3200545, 3840654, 6401090, 7681308, 9601635, 12802180, 19203270, 38406540]

約数ペア:

[(1, 38406540), (2, 19203270), (3, 12802180), (4, 9601635), (5, 7681308), (6, 6401090), (10, 3840654), (12, 3200545), (15, 2560436), (20, 1920327), (30, 1280218), (60, 640109)]