51204980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25349}}^1$

素因数の和:25459

約数の個数: 24

約数和(自身を含む): 108599400

約数和(自身を除く): 57394420

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 25349, 50698, 101396, 126745, 253490, 506980, 2560249, 5120498, 10240996, 12801245, 25602490, 51204980]

約数ペア:

[(1, 51204980), (2, 25602490), (4, 12801245), (5, 10240996), (10, 5120498), (20, 2560249), (101, 506980), (202, 253490), (404, 126745), (505, 101396), (1010, 50698), (2020, 25349)]