81343550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{56099}}^1$

素因数の和:56140

約数の個数: 24

約数和(自身を含む): 156519000

約数和(自身を除く): 75175450

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 56099, 112198, 280495, 560990, 1402475, 1626871, 2804950, 3253742, 8134355, 16268710, 40671775, 81343550]

約数ペア:

[(1, 81343550), (2, 40671775), (5, 16268710), (10, 8134355), (25, 3253742), (29, 2804950), (50, 1626871), (58, 1402475), (145, 560990), (290, 280495), (725, 112198), (1450, 56099)]