51989140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5087}}^1$

素因数の和:5176

約数の個数: 48

約数和(自身を含む): 126508032

約数和(自身を除く): 74518892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5087, 5110, 10174, 10220, 20348, 25435, 35609, 50870, 71218, 101740, 142436, 178045, 356090, 371351, 712180, 742702, 1485404, 1856755, 2599457, 3713510, 5198914, 7427020, 10397828, 12997285, 25994570, 51989140]

約数ペア:

[(1, 51989140), (2, 25994570), (4, 12997285), (5, 10397828), (7, 7427020), (10, 5198914), (14, 3713510), (20, 2599457), (28, 1856755), (35, 1485404), (70, 742702), (73, 712180), (140, 371351), (146, 356090), (292, 178045), (365, 142436), (511, 101740), (730, 71218), (1022, 50870), (1460, 35609), (2044, 25435), (2555, 20348), (5087, 10220), (5110, 10174)]