51857620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63241}}^1$

素因数の和:63291

約数の個数: 24

約数和(自身を含む): 111558888

約数和(自身を除く): 59701268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 63241, 126482, 252964, 316205, 632410, 1264820, 2592881, 5185762, 10371524, 12964405, 25928810, 51857620]

約数ペア:

[(1, 51857620), (2, 25928810), (4, 12964405), (5, 10371524), (10, 5185762), (20, 2592881), (41, 1264820), (82, 632410), (164, 316205), (205, 252964), (410, 126482), (820, 63241)]