102080980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{124489}}^1$

素因数の和:124539

約数の個数: 24

約数和(自身を含む): 219600360

約数和(自身を除く): 117519380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 124489, 248978, 497956, 622445, 1244890, 2489780, 5104049, 10208098, 20416196, 25520245, 51040490, 102080980]

約数ペア:

[(1, 102080980), (2, 51040490), (4, 25520245), (5, 20416196), (10, 10208098), (20, 5104049), (41, 2489780), (82, 1244890), (164, 622445), (205, 497956), (410, 248978), (820, 124489)]