99809620

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{12829}}^1$

素因数の和:13227

約数の個数: 24

約数和(自身を含む): 210155400

約数和(自身を除く): 110345780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 12829, 25658, 51316, 64145, 128290, 256580, 4990481, 9980962, 19961924, 24952405, 49904810, 99809620]

約数ペア:

[(1, 99809620), (2, 49904810), (4, 24952405), (5, 19961924), (10, 9980962), (20, 4990481), (389, 256580), (778, 128290), (1556, 64145), (1945, 51316), (3890, 25658), (7780, 12829)]