80629720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87641}}^1$

素因数の和:87675

約数の個数: 32

約数和(自身を含む): 189306720

約数和(自身を除く): 108677000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87641, 175282, 350564, 438205, 701128, 876410, 1752820, 2015743, 3505640, 4031486, 8062972, 10078715, 16125944, 20157430, 40314860, 80629720]

約数ペア:

[(1, 80629720), (2, 40314860), (4, 20157430), (5, 16125944), (8, 10078715), (10, 8062972), (20, 4031486), (23, 3505640), (40, 2015743), (46, 1752820), (92, 876410), (115, 701128), (184, 438205), (230, 350564), (460, 175282), (920, 87641)]