51291940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3557}}^1$

素因数の和:3676

約数の個数: 48

約数和(自身を含む): 124330752

約数和(自身を除く): 73038812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3557, 3605, 7114, 7210, 14228, 14420, 17785, 24899, 35570, 49798, 71140, 99596, 124495, 248990, 366371, 497980, 732742, 1465484, 1831855, 2564597, 3663710, 5129194, 7327420, 10258388, 12822985, 25645970, 51291940]

約数ペア:

[(1, 51291940), (2, 25645970), (4, 12822985), (5, 10258388), (7, 7327420), (10, 5129194), (14, 3663710), (20, 2564597), (28, 1831855), (35, 1465484), (70, 732742), (103, 497980), (140, 366371), (206, 248990), (412, 124495), (515, 99596), (721, 71140), (1030, 49798), (1442, 35570), (2060, 24899), (2884, 17785), (3557, 14420), (3605, 14228), (7114, 7210)]