55091560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81017}}^1$

素因数の和:81045

約数の個数: 32

約数和(自身を含む): 131249160

約数和(自身を除く): 76157600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81017, 162034, 324068, 405085, 648136, 810170, 1377289, 1620340, 2754578, 3240680, 5509156, 6886445, 11018312, 13772890, 27545780, 55091560]

約数ペア:

[(1, 55091560), (2, 27545780), (4, 13772890), (5, 11018312), (8, 6886445), (10, 5509156), (17, 3240680), (20, 2754578), (34, 1620340), (40, 1377289), (68, 810170), (85, 648136), (136, 405085), (170, 324068), (340, 162034), (680, 81017)]