139378040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21377}}^1$

素因数の和:21551

約数の個数: 32

約数和(自身を含む): 315539280

約数和(自身を除く): 176161240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 21377, 42754, 85508, 106885, 171016, 213770, 427540, 855080, 3484451, 6968902, 13937804, 17422255, 27875608, 34844510, 69689020, 139378040]

約数ペア:

[(1, 139378040), (2, 69689020), (4, 34844510), (5, 27875608), (8, 17422255), (10, 13937804), (20, 6968902), (40, 3484451), (163, 855080), (326, 427540), (652, 213770), (815, 171016), (1304, 106885), (1630, 85508), (3260, 42754), (6520, 21377)]