8740540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4327}}^1$

素因数の和:4437

約数の個数: 24

約数和(自身を含む): 18541152

約数和(自身を除く): 9800612

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4327, 8654, 17308, 21635, 43270, 86540, 437027, 874054, 1748108, 2185135, 4370270, 8740540]

約数ペア:

[(1, 8740540), (2, 4370270), (4, 2185135), (5, 1748108), (10, 874054), (20, 437027), (101, 86540), (202, 43270), (404, 21635), (505, 17308), (1010, 8654), (2020, 4327)]