31198532080

素因数分解:

$2^4\times 5^1\times {\mathrm{389981651}}^1$

素因数の和:389981664

約数の個数: 20

約数和(自身を含む): 72536587272

約数和(自身を除く): 41338055192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389981651, 779963302, 1559926604, 1949908255, 3119853208, 3899816510, 6239706416, 7799633020, 15599266040, 31198532080]

約数ペア:

[(1, 31198532080), (2, 15599266040), (4, 7799633020), (5, 6239706416), (8, 3899816510), (10, 3119853208), (16, 1949908255), (20, 1559926604), (40, 779963302), (80, 389981651)]