80219705

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 98755200

約数和(自身を除く): 18535495

約数列:

[1, 5, 71, 89, 355, 445, 2539, 6319, 12695, 31595, 180269, 225971, 901345, 1129855, 16043941, 80219705]

約数ペア:

[(1, 80219705), (5, 16043941), (71, 1129855), (89, 901345), (355, 225971), (445, 180269), (2539, 31595), (6319, 12695)]