1320020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5077}}^1$

素因数の和:5099

約数の個数: 24

約数和(自身を含む): 2985864

約数和(自身を除く): 1665844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5077, 10154, 20308, 25385, 50770, 66001, 101540, 132002, 264004, 330005, 660010, 1320020]

約数ペア:

[(1, 1320020), (2, 660010), (4, 330005), (5, 264004), (10, 132002), (13, 101540), (20, 66001), (26, 50770), (52, 25385), (65, 20308), (130, 10154), (260, 5077)]