289968404080

素因数分解:

$2^4\times 5^1\times {\mathrm{3624605051}}^1$

素因数の和:3624605064

約数の個数: 20

約数和(自身を含む): 674176539672

約数和(自身を除く): 384208135592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3624605051, 7249210102, 14498420204, 18123025255, 28996840408, 36246050510, 57993680816, 72492101020, 144984202040, 289968404080]

約数ペア:

[(1, 289968404080), (2, 144984202040), (4, 72492101020), (5, 57993680816), (8, 36246050510), (10, 28996840408), (16, 18123025255), (20, 14498420204), (40, 7249210102), (80, 3624605051)]