18300080

素因数分解:

$2^4\times 5^1\times {\mathrm{228751}}^1$

素因数の和:228764

約数の個数: 20

約数和(自身を含む): 42547872

約数和(自身を除く): 24247792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228751, 457502, 915004, 1143755, 1830008, 2287510, 3660016, 4575020, 9150040, 18300080]

約数ペア:

[(1, 18300080), (2, 9150040), (4, 4575020), (5, 3660016), (8, 2287510), (10, 1830008), (16, 1143755), (20, 915004), (40, 457502), (80, 228751)]