80422960

素因数分解:

$2^4\times 5^1\times {\mathrm{1005287}}^1$

素因数の和:1005300

約数の個数: 20

約数和(自身を含む): 186983568

約数和(自身を除く): 106560608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1005287, 2010574, 4021148, 5026435, 8042296, 10052870, 16084592, 20105740, 40211480, 80422960]

約数ペア:

[(1, 80422960), (2, 40211480), (4, 20105740), (5, 16084592), (8, 10052870), (10, 8042296), (16, 5026435), (20, 4021148), (40, 2010574), (80, 1005287)]