69491440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20201}}^1$

素因数の和:20257

約数の個数: 40

約数和(自身を含む): 165333168

約数和(自身を除く): 95841728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 20201, 40402, 80804, 101005, 161608, 202010, 323216, 404020, 808040, 868643, 1616080, 1737286, 3474572, 4343215, 6949144, 8686430, 13898288, 17372860, 34745720, 69491440]

約数ペア:

[(1, 69491440), (2, 34745720), (4, 17372860), (5, 13898288), (8, 8686430), (10, 6949144), (16, 4343215), (20, 3474572), (40, 1737286), (43, 1616080), (80, 868643), (86, 808040), (172, 404020), (215, 323216), (344, 202010), (430, 161608), (688, 101005), (860, 80804), (1720, 40402), (3440, 20201)]