126039640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22669}}^1$

素因数の和:22819

約数の個数: 32

約数和(自身を含む): 285642000

約数和(自身を除く): 159602360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 22669, 45338, 90676, 113345, 181352, 226690, 453380, 906760, 3150991, 6301982, 12603964, 15754955, 25207928, 31509910, 63019820, 126039640]

約数ペア:

[(1, 126039640), (2, 63019820), (4, 31509910), (5, 25207928), (8, 15754955), (10, 12603964), (20, 6301982), (40, 3150991), (139, 906760), (278, 453380), (556, 226690), (695, 181352), (1112, 113345), (1390, 90676), (2780, 45338), (5560, 22669)]