2090455445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1\times {\mathrm{17977}}^1$

素因数の和:19784

約数の個数: 16

約数和(自身を含む): 2703172080

約数和(自身を除く): 612716635

約数列:

[1, 5, 13, 65, 1789, 8945, 17977, 23257, 89885, 116285, 233701, 1168505, 32160853, 160804265, 418091089, 2090455445]

約数ペア:

[(1, 2090455445), (5, 418091089), (13, 160804265), (65, 32160853), (1789, 1168505), (8945, 233701), (17977, 116285), (23257, 89885)]