80630140

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{14347}}^1$

素因数の和:14637

約数の個数: 24

約数和(自身を含む): 169937712

約数和(自身を除く): 89307572

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 14347, 28694, 57388, 71735, 143470, 286940, 4031507, 8063014, 16126028, 20157535, 40315070, 80630140]

約数ペア:

[(1, 80630140), (2, 40315070), (4, 20157535), (5, 16126028), (10, 8063014), (20, 4031507), (281, 286940), (562, 143470), (1124, 71735), (1405, 57388), (2810, 28694), (5620, 14347)]