8439080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16229}}^1$

素因数の和:16253

約数の個数: 32

約数和(自身を含む): 20449800

約数和(自身を除く): 12010720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16229, 32458, 64916, 81145, 129832, 162290, 210977, 324580, 421954, 649160, 843908, 1054885, 1687816, 2109770, 4219540, 8439080]

約数ペア:

[(1, 8439080), (2, 4219540), (4, 2109770), (5, 1687816), (8, 1054885), (10, 843908), (13, 649160), (20, 421954), (26, 324580), (40, 210977), (52, 162290), (65, 129832), (104, 81145), (130, 64916), (260, 32458), (520, 16229)]