8819240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2273}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 20056680

約数和(自身を除く): 11237440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2273, 3880, 4546, 9092, 11365, 18184, 22730, 45460, 90920, 220481, 440962, 881924, 1102405, 1763848, 2204810, 4409620, 8819240]

約数ペア:

[(1, 8819240), (2, 4409620), (4, 2204810), (5, 1763848), (8, 1102405), (10, 881924), (20, 440962), (40, 220481), (97, 90920), (194, 45460), (388, 22730), (485, 18184), (776, 11365), (970, 9092), (1940, 4546), (2273, 3880)]