80781110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1499}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 154548000

約数和(自身を除く): 73766890

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 317, 634, 1499, 1585, 2998, 3170, 5389, 7495, 10778, 14990, 25483, 26945, 50966, 53890, 127415, 254830, 475183, 950366, 2375915, 4751830, 8078111, 16156222, 40390555, 80781110]

約数ペア:

[(1, 80781110), (2, 40390555), (5, 16156222), (10, 8078111), (17, 4751830), (34, 2375915), (85, 950366), (170, 475183), (317, 254830), (634, 127415), (1499, 53890), (1585, 50966), (2998, 26945), (3170, 25483), (5389, 14990), (7495, 10778)]