804539240

素因数分解:

$2^3\times 5^1\times {\mathrm{20113481}}^1$

素因数の和:20113492

約数の個数: 16

約数和(自身を含む): 1810213380

約数和(自身を除く): 1005674140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20113481, 40226962, 80453924, 100567405, 160907848, 201134810, 402269620, 804539240]

約数ペア:

[(1, 804539240), (2, 402269620), (4, 201134810), (5, 160907848), (8, 100567405), (10, 80453924), (20, 40226962), (40, 20113481)]