51980630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{399851}}^1$

素因数の和:399871

約数の個数: 16

約数和(自身を含む): 100762704

約数和(自身を除く): 48782074

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 399851, 799702, 1999255, 3998510, 5198063, 10396126, 25990315, 51980630]

約数ペア:

[(1, 51980630), (2, 25990315), (5, 10396126), (10, 5198063), (13, 3998510), (26, 1999255), (65, 799702), (130, 399851)]