2109586480

素因数分解:

$2^4\times 5^1\times {\mathrm{26369831}}^1$

素因数の和:26369844

約数の個数: 20

約数和(自身を含む): 4904788752

約数和(自身を除く): 2795202272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26369831, 52739662, 105479324, 131849155, 210958648, 263698310, 421917296, 527396620, 1054793240, 2109586480]

約数ペア:

[(1, 2109586480), (2, 1054793240), (4, 527396620), (5, 421917296), (8, 263698310), (10, 210958648), (16, 131849155), (20, 105479324), (40, 52739662), (80, 26369831)]