68845340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43573}}^1$

素因数の和:43661

約数の個数: 24

約数和(自身を含む): 146408640

約数和(自身を除く): 77563300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 43573, 87146, 174292, 217865, 435730, 871460, 3442267, 6884534, 13769068, 17211335, 34422670, 68845340]

約数ペア:

[(1, 68845340), (2, 34422670), (4, 17211335), (5, 13769068), (10, 6884534), (20, 3442267), (79, 871460), (158, 435730), (316, 217865), (395, 174292), (790, 87146), (1580, 43573)]