51387140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1297}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 123860352

約数和(自身を除く): 72473212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1297, 1415, 1981, 2594, 2830, 3962, 5188, 5660, 6485, 7924, 9079, 9905, 12970, 18158, 19810, 25940, 36316, 39620, 45395, 90790, 181580, 367051, 734102, 1468204, 1835255, 2569357, 3670510, 5138714, 7341020, 10277428, 12846785, 25693570, 51387140]

約数ペア:

[(1, 51387140), (2, 25693570), (4, 12846785), (5, 10277428), (7, 7341020), (10, 5138714), (14, 3670510), (20, 2569357), (28, 1835255), (35, 1468204), (70, 734102), (140, 367051), (283, 181580), (566, 90790), (1132, 45395), (1297, 39620), (1415, 36316), (1981, 25940), (2594, 19810), (2830, 18158), (3962, 12970), (5188, 9905), (5660, 9079), (6485, 7924)]