81206350

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{4091}}^1$

素因数の和:4500

約数の個数: 24

約数和(自身を含む): 151461288

約数和(自身を除く): 70254938

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 1985, 3970, 4091, 8182, 9925, 19850, 20455, 40910, 102275, 204550, 1624127, 3248254, 8120635, 16241270, 40603175, 81206350]

約数ペア:

[(1, 81206350), (2, 40603175), (5, 16241270), (10, 8120635), (25, 3248254), (50, 1624127), (397, 204550), (794, 102275), (1985, 40910), (3970, 20455), (4091, 19850), (8182, 9925)]