4942940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2447}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 10487232

約数和(自身を除く): 5544292

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2447, 4894, 9788, 12235, 24470, 48940, 247147, 494294, 988588, 1235735, 2471470, 4942940]

約数ペア:

[(1, 4942940), (2, 2471470), (4, 1235735), (5, 988588), (10, 494294), (20, 247147), (101, 48940), (202, 24470), (404, 12235), (505, 9788), (1010, 4894), (2020, 2447)]