69739960

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1979}}^1$

素因数の和:2871

約数の個数: 32

約数和(自身を含む): 157172400

約数和(自身を除く): 87432440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 1979, 3524, 3958, 4405, 7048, 7916, 8810, 9895, 15832, 17620, 19790, 35240, 39580, 79160, 1743499, 3486998, 6973996, 8717495, 13947992, 17434990, 34869980, 69739960]

約数ペア:

[(1, 69739960), (2, 34869980), (4, 17434990), (5, 13947992), (8, 8717495), (10, 6973996), (20, 3486998), (40, 1743499), (881, 79160), (1762, 39580), (1979, 35240), (3524, 19790), (3958, 17620), (4405, 15832), (7048, 9895), (7916, 8810)]