80889712

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{219809}}^1$

素因数の和:219840

約数の個数: 20

約数和(自身を含む): 163538640

約数和(自身を除く): 82648928

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 219809, 439618, 879236, 1758472, 3516944, 5055607, 10111214, 20222428, 40444856, 80889712]

約数ペア:

[(1, 80889712), (2, 40444856), (4, 20222428), (8, 10111214), (16, 5055607), (23, 3516944), (46, 1758472), (92, 879236), (184, 439618), (368, 219809)]