202172980

素因数分解:

$2^2\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{4987}}^1$

素因数の和:7023

約数の個数: 24

約数和(自身を含む): 424857888

約数和(自身を除く): 222684908

約数列:

[1, 2, 4, 5, 10, 20, 2027, 4054, 4987, 8108, 9974, 10135, 19948, 20270, 24935, 40540, 49870, 99740, 10108649, 20217298, 40434596, 50543245, 101086490, 202172980]

約数ペア:

[(1, 202172980), (2, 101086490), (4, 50543245), (5, 40434596), (10, 20217298), (20, 10108649), (2027, 99740), (4054, 49870), (4987, 40540), (8108, 24935), (9974, 20270), (10135, 19948)]