68211160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55009}}^1$

素因数の和:55051

約数の個数: 32

約数和(自身を含む): 158428800

約数和(自身を除く): 90217640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55009, 110018, 220036, 275045, 440072, 550090, 1100180, 1705279, 2200360, 3410558, 6821116, 8526395, 13642232, 17052790, 34105580, 68211160]

約数ペア:

[(1, 68211160), (2, 34105580), (4, 17052790), (5, 13642232), (8, 8526395), (10, 6821116), (20, 3410558), (31, 2200360), (40, 1705279), (62, 1100180), (124, 550090), (155, 440072), (248, 275045), (310, 220036), (620, 110018), (1240, 55009)]