2008486840

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{178691}}^1$

素因数の和:178983

約数の個数: 32

約数和(自身を含む): 4535202960

約数和(自身を除く): 2526716120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 178691, 357382, 714764, 893455, 1429528, 1786910, 3573820, 7147640, 50212171, 100424342, 200848684, 251060855, 401697368, 502121710, 1004243420, 2008486840]

約数ペア:

[(1, 2008486840), (2, 1004243420), (4, 502121710), (5, 401697368), (8, 251060855), (10, 200848684), (20, 100424342), (40, 50212171), (281, 7147640), (562, 3573820), (1124, 1786910), (1405, 1429528), (2248, 893455), (2810, 714764), (5620, 357382), (11240, 178691)]