68418040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{9887}}^1$

素因数の和:10071

約数の個数: 32

約数和(自身を含む): 154846080

約数和(自身を除く): 86428040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 9887, 19774, 39548, 49435, 79096, 98870, 197740, 395480, 1710451, 3420902, 6841804, 8552255, 13683608, 17104510, 34209020, 68418040]

約数ペア:

[(1, 68418040), (2, 34209020), (4, 17104510), (5, 13683608), (8, 8552255), (10, 6841804), (20, 3420902), (40, 1710451), (173, 395480), (346, 197740), (692, 98870), (865, 79096), (1384, 49435), (1730, 39548), (3460, 19774), (6920, 9887)]