8172320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3929}}^1$

素因数の和:3957

約数の個数: 48

約数和(自身を含む): 20797560

約数和(自身を除く): 12625240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 3929, 7858, 15716, 19645, 31432, 39290, 51077, 62864, 78580, 102154, 125728, 157160, 204308, 255385, 314320, 408616, 510770, 628640, 817232, 1021540, 1634464, 2043080, 4086160, 8172320]

約数ペア:

[(1, 8172320), (2, 4086160), (4, 2043080), (5, 1634464), (8, 1021540), (10, 817232), (13, 628640), (16, 510770), (20, 408616), (26, 314320), (32, 255385), (40, 204308), (52, 157160), (65, 125728), (80, 102154), (104, 78580), (130, 62864), (160, 51077), (208, 39290), (260, 31432), (416, 19645), (520, 15716), (1040, 7858), (2080, 3929)]