39868360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20341}}^1$

素因数の和:20366

約数の個数: 48

約数和(自身を含む): 104354460

約数和(自身を除く): 64486100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20341, 40682, 81364, 101705, 142387, 162728, 203410, 284774, 406820, 569548, 711935, 813640, 996709, 1139096, 1423870, 1993418, 2847740, 3986836, 4983545, 5695480, 7973672, 9967090, 19934180, 39868360]

約数ペア:

[(1, 39868360), (2, 19934180), (4, 9967090), (5, 7973672), (7, 5695480), (8, 4983545), (10, 3986836), (14, 2847740), (20, 1993418), (28, 1423870), (35, 1139096), (40, 996709), (49, 813640), (56, 711935), (70, 569548), (98, 406820), (140, 284774), (196, 203410), (245, 162728), (280, 142387), (392, 101705), (490, 81364), (980, 40682), (1960, 20341)]