83128580

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{2971}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 174753600

約数和(自身を除く): 91625020

約数列:

[1, 2, 4, 5, 10, 20, 1399, 2798, 2971, 5596, 5942, 6995, 11884, 13990, 14855, 27980, 29710, 59420, 4156429, 8312858, 16625716, 20782145, 41564290, 83128580]

約数ペア:

[(1, 83128580), (2, 41564290), (4, 20782145), (5, 16625716), (10, 8312858), (20, 4156429), (1399, 59420), (2798, 29710), (2971, 27980), (5596, 14855), (5942, 13990), (6995, 11884)]