15790640

素因数分解:

$2^4\times 5^1\times {\mathrm{197383}}^1$

素因数の和:197396

約数の個数: 20

約数和(自身を含む): 36713424

約数和(自身を除く): 20922784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197383, 394766, 789532, 986915, 1579064, 1973830, 3158128, 3947660, 7895320, 15790640]

約数ペア:

[(1, 15790640), (2, 7895320), (4, 3947660), (5, 3158128), (8, 1973830), (10, 1579064), (16, 986915), (20, 789532), (40, 394766), (80, 197383)]