15941360

素因数分解:

$2^4\times 5^1\times {\mathrm{199267}}^1$

素因数の和:199280

約数の個数: 20

約数和(自身を含む): 37063848

約数和(自身を除く): 21122488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199267, 398534, 797068, 996335, 1594136, 1992670, 3188272, 3985340, 7970680, 15941360]

約数ペア:

[(1, 15941360), (2, 7970680), (4, 3985340), (5, 3188272), (8, 1992670), (10, 1594136), (16, 996335), (20, 797068), (40, 398534), (80, 199267)]