15691517680

素因数分解:

$2^4\times 5^1\times {\mathrm{196143971}}^1$

素因数の和:196143984

約数の個数: 20

約数和(自身を含む): 36482778792

約数和(自身を除く): 20791261112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196143971, 392287942, 784575884, 980719855, 1569151768, 1961439710, 3138303536, 3922879420, 7845758840, 15691517680]

約数ペア:

[(1, 15691517680), (2, 7845758840), (4, 3922879420), (5, 3138303536), (8, 1961439710), (10, 1569151768), (16, 980719855), (20, 784575884), (40, 392287942), (80, 196143971)]