202107580

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{7901}}^1$

素因数の和:9189

約数の個数: 24

約数和(自身を含む): 424811520

約数和(自身を除く): 222703940

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 7901, 12790, 15802, 25580, 31604, 39505, 79010, 158020, 10105379, 20210758, 40421516, 50526895, 101053790, 202107580]

約数ペア:

[(1, 202107580), (2, 101053790), (4, 50526895), (5, 40421516), (10, 20210758), (20, 10105379), (1279, 158020), (2558, 79010), (5116, 39505), (6395, 31604), (7901, 25580), (12790, 15802)]