68874340

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3413}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 144821880

約数和(自身を除く): 75947540

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3413, 4036, 5045, 6826, 10090, 13652, 17065, 20180, 34130, 68260, 3443717, 6887434, 13774868, 17218585, 34437170, 68874340]

約数ペア:

[(1, 68874340), (2, 34437170), (4, 17218585), (5, 13774868), (10, 6887434), (20, 3443717), (1009, 68260), (2018, 34130), (3413, 20180), (4036, 17065), (5045, 13652), (6826, 10090)]