797080280

素因数分解:

$2^3\times 5^1\times {\mathrm{4447}}^1\times {\mathrm{4481}}^1$

素因数の和:8939

約数の個数: 32

約数和(自身を含む): 1794234240

約数和(自身を除く): 997153960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4447, 4481, 8894, 8962, 17788, 17924, 22235, 22405, 35576, 35848, 44470, 44810, 88940, 89620, 177880, 179240, 19927007, 39854014, 79708028, 99635035, 159416056, 199270070, 398540140, 797080280]

約数ペア:

[(1, 797080280), (2, 398540140), (4, 199270070), (5, 159416056), (8, 99635035), (10, 79708028), (20, 39854014), (40, 19927007), (4447, 179240), (4481, 177880), (8894, 89620), (8962, 88940), (17788, 44810), (17924, 44470), (22235, 35848), (22405, 35576)]