28308340

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2309}}^1$

素因数の和:2931

約数の個数: 24

約数和(自身を含む): 59570280

約数和(自身を除く): 31261940

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2309, 2452, 3065, 4618, 6130, 9236, 11545, 12260, 23090, 46180, 1415417, 2830834, 5661668, 7077085, 14154170, 28308340]

約数ペア:

[(1, 28308340), (2, 14154170), (4, 7077085), (5, 5661668), (10, 2830834), (20, 1415417), (613, 46180), (1226, 23090), (2309, 12260), (2452, 11545), (3065, 9236), (4618, 6130)]