71140880

素因数分解:

$2^4\times 5^1\times {\mathrm{889261}}^1$

素因数の和:889274

約数の個数: 20

約数和(自身を含む): 165402732

約数和(自身を除く): 94261852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889261, 1778522, 3557044, 4446305, 7114088, 8892610, 14228176, 17785220, 35570440, 71140880]

約数ペア:

[(1, 71140880), (2, 35570440), (4, 17785220), (5, 14228176), (8, 8892610), (10, 7114088), (16, 4446305), (20, 3557044), (40, 1778522), (80, 889261)]