814230160

素因数分解:

$2^4\times 5^1\times {\mathrm{10177877}}^1$

素因数の和:10177890

約数の個数: 20

約数和(自身を含む): 1893085308

約数和(自身を除く): 1078855148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10177877, 20355754, 40711508, 50889385, 81423016, 101778770, 162846032, 203557540, 407115080, 814230160]

約数ペア:

[(1, 814230160), (2, 407115080), (4, 203557540), (5, 162846032), (8, 101778770), (10, 81423016), (16, 50889385), (20, 40711508), (40, 20355754), (80, 10177877)]