13507940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21787}}^1$

素因数の和:21827

約数の個数: 24

約数和(自身を含む): 29283072

約数和(自身を除く): 15775132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21787, 43574, 87148, 108935, 217870, 435740, 675397, 1350794, 2701588, 3376985, 6753970, 13507940]

約数ペア:

[(1, 13507940), (2, 6753970), (4, 3376985), (5, 2701588), (10, 1350794), (20, 675397), (31, 435740), (62, 217870), (124, 108935), (155, 87148), (310, 43574), (620, 21787)]