13498640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5443}}^1$

素因数の和:5487

約数の個数: 40

約数和(自身を含む): 32402688

約数和(自身を除く): 18904048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5443, 10886, 21772, 27215, 43544, 54430, 87088, 108860, 168733, 217720, 337466, 435440, 674932, 843665, 1349864, 1687330, 2699728, 3374660, 6749320, 13498640]

約数ペア:

[(1, 13498640), (2, 6749320), (4, 3374660), (5, 2699728), (8, 1687330), (10, 1349864), (16, 843665), (20, 674932), (31, 435440), (40, 337466), (62, 217720), (80, 168733), (124, 108860), (155, 87088), (248, 54430), (310, 43544), (496, 27215), (620, 21772), (1240, 10886), (2480, 5443)]