156528980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{190889}}^1$

素因数の和:190939

約数の個数: 24

約数和(自身を含む): 336729960

約数和(自身を除く): 180200980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 190889, 381778, 763556, 954445, 1908890, 3817780, 7826449, 15652898, 31305796, 39132245, 78264490, 156528980]

約数ペア:

[(1, 156528980), (2, 78264490), (4, 39132245), (5, 31305796), (10, 15652898), (20, 7826449), (41, 3817780), (82, 1908890), (164, 954445), (205, 763556), (410, 381778), (820, 190889)]