13402540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21617}}^1$

素因数の和:21657

約数の個数: 24

約数和(自身を含む): 29054592

約数和(自身を除く): 15652052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21617, 43234, 86468, 108085, 216170, 432340, 670127, 1340254, 2680508, 3350635, 6701270, 13402540]

約数ペア:

[(1, 13402540), (2, 6701270), (4, 3350635), (5, 2680508), (10, 1340254), (20, 670127), (31, 432340), (62, 216170), (124, 108085), (155, 86468), (310, 43234), (620, 21617)]