8426991280

素因数分解:

$2^4\times 5^1\times {\mathrm{105337391}}^1$

素因数の和:105337404

約数の個数: 20

約数和(自身を含む): 19592754912

約数和(自身を除く): 11165763632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105337391, 210674782, 421349564, 526686955, 842699128, 1053373910, 1685398256, 2106747820, 4213495640, 8426991280]

約数ペア:

[(1, 8426991280), (2, 4213495640), (4, 2106747820), (5, 1685398256), (8, 1053373910), (10, 842699128), (16, 526686955), (20, 421349564), (40, 210674782), (80, 105337391)]