8021000285

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{80407}}^1$

素因数の和:80764

約数の個数: 16

約数和(自身を含む): 9795624192

約数和(自身を除く): 1774623907

約数列:

[1, 5, 71, 281, 355, 1405, 19951, 80407, 99755, 402035, 5708897, 22594367, 28544485, 112971835, 1604200057, 8021000285]

約数ペア:

[(1, 8021000285), (5, 1604200057), (71, 112971835), (281, 28544485), (355, 22594367), (1405, 5708897), (19951, 402035), (80407, 99755)]