2019468980

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{90397}}^1$

素因数の和:91523

約数の個数: 24

約数和(自身を含む): 4244728488

約数和(自身を除く): 2225259508

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 4468, 5585, 11170, 22340, 90397, 180794, 361588, 451985, 903970, 1807940, 100973449, 201946898, 403893796, 504867245, 1009734490, 2019468980]

約数ペア:

[(1, 2019468980), (2, 1009734490), (4, 504867245), (5, 403893796), (10, 201946898), (20, 100973449), (1117, 1807940), (2234, 903970), (4468, 451985), (5585, 361588), (11170, 180794), (22340, 90397)]