80845120

素因数分解:

$2^6\times 5^1\times {\mathrm{252641}}^1$

素因数の和:252658

約数の個数: 28

約数和(自身を含む): 192513204

約数和(自身を除く): 111668084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 252641, 505282, 1010564, 1263205, 2021128, 2526410, 4042256, 5052820, 8084512, 10105640, 16169024, 20211280, 40422560, 80845120]

約数ペア:

[(1, 80845120), (2, 40422560), (4, 20211280), (5, 16169024), (8, 10105640), (10, 8084512), (16, 5052820), (20, 4042256), (32, 2526410), (40, 2021128), (64, 1263205), (80, 1010564), (160, 505282), (320, 252641)]