205122920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{50773}}^1$

素因数の和:50885

約数の個数: 32

約数和(自身を含む): 466105320

約数和(自身を除く): 260982400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 50773, 101546, 203092, 253865, 406184, 507730, 1015460, 2030920, 5128073, 10256146, 20512292, 25640365, 41024584, 51280730, 102561460, 205122920]

約数ペア:

[(1, 205122920), (2, 102561460), (4, 51280730), (5, 41024584), (8, 25640365), (10, 20512292), (20, 10256146), (40, 5128073), (101, 2030920), (202, 1015460), (404, 507730), (505, 406184), (808, 253865), (1010, 203092), (2020, 101546), (4040, 50773)]