80800850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{124309}}^1$

素因数の和:124334

約数の個数: 24

約数和(自身を含む): 161851620

約数和(自身を除く): 81050770

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 124309, 248618, 621545, 1243090, 1616017, 3107725, 3232034, 6215450, 8080085, 16160170, 40400425, 80800850]

約数ペア:

[(1, 80800850), (2, 40400425), (5, 16160170), (10, 8080085), (13, 6215450), (25, 3232034), (26, 3107725), (50, 1616017), (65, 1243090), (130, 621545), (325, 248618), (650, 124309)]