17705740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68099}}^1$

素因数の和:68121

約数の個数: 24

約数和(自身を含む): 40042800

約数和(自身を除く): 22337060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68099, 136198, 272396, 340495, 680990, 885287, 1361980, 1770574, 3541148, 4426435, 8852870, 17705740]

約数ペア:

[(1, 17705740), (2, 8852870), (4, 4426435), (5, 3541148), (10, 1770574), (13, 1361980), (20, 885287), (26, 680990), (52, 340495), (65, 272396), (130, 136198), (260, 68099)]