28655740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14771}}^1$

素因数の和:14877

約数の個数: 24

約数和(自身を含む): 60801552

約数和(自身を除く): 32145812

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14771, 29542, 59084, 73855, 147710, 295420, 1432787, 2865574, 5731148, 7163935, 14327870, 28655740]

約数ペア:

[(1, 28655740), (2, 14327870), (4, 7163935), (5, 5731148), (10, 2865574), (20, 1432787), (97, 295420), (194, 147710), (388, 73855), (485, 59084), (970, 29542), (1940, 14771)]