1261360

素因数分解:

$2^4\times 5^1\times {\mathrm{15767}}^1$

素因数の和:15780

約数の個数: 20

約数和(自身を含む): 2932848

約数和(自身を除く): 1671488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15767, 31534, 63068, 78835, 126136, 157670, 252272, 315340, 630680, 1261360]

約数ペア:

[(1, 1261360), (2, 630680), (4, 315340), (5, 252272), (8, 157670), (10, 126136), (16, 78835), (20, 63068), (40, 31534), (80, 15767)]