13938340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53609}}^1$

素因数の和:53631

約数の個数: 24

約数和(自身を含む): 31522680

約数和(自身を除く): 17584340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 53609, 107218, 214436, 268045, 536090, 696917, 1072180, 1393834, 2787668, 3484585, 6969170, 13938340]

約数ペア:

[(1, 13938340), (2, 6969170), (4, 3484585), (5, 2787668), (10, 1393834), (13, 1072180), (20, 696917), (26, 536090), (52, 268045), (65, 214436), (130, 107218), (260, 53609)]