85215940

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{13441}}^1$

素因数の和:13767

約数の個数: 24

約数和(自身を含む): 179531352

約数和(自身を除く): 94315412

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 13441, 26882, 53764, 67205, 134410, 268820, 4260797, 8521594, 17043188, 21303985, 42607970, 85215940]

約数ペア:

[(1, 85215940), (2, 42607970), (4, 21303985), (5, 17043188), (10, 8521594), (20, 4260797), (317, 268820), (634, 134410), (1268, 67205), (1585, 53764), (3170, 26882), (6340, 13441)]