80912360

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8059}}^1$

素因数の和:8321

約数の個数: 32

約数和(自身を含む): 182800800

約数和(自身を除く): 101888440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 8059, 10040, 16118, 32236, 40295, 64472, 80590, 161180, 322360, 2022809, 4045618, 8091236, 10114045, 16182472, 20228090, 40456180, 80912360]

約数ペア:

[(1, 80912360), (2, 40456180), (4, 20228090), (5, 16182472), (8, 10114045), (10, 8091236), (20, 4045618), (40, 2022809), (251, 322360), (502, 161180), (1004, 80590), (1255, 64472), (2008, 40295), (2510, 32236), (5020, 16118), (8059, 10040)]