13137880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6703}}^1$

素因数の和:6728

約数の個数: 48

約数和(自身を含む): 34391520

約数和(自身を除く): 21253640

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, 6703, 13406, 26812, 33515, 46921, 53624, 67030, 93842, 134060, 187684, 234605, 268120, 328447, 375368, 469210, 656894, 938420, 1313788, 1642235, 1876840, 2627576, 3284470, 6568940, 13137880]

約数ペア:

[(1, 13137880), (2, 6568940), (4, 3284470), (5, 2627576), (7, 1876840), (8, 1642235), (10, 1313788), (14, 938420), (20, 656894), (28, 469210), (35, 375368), (40, 328447), (49, 268120), (56, 234605), (70, 187684), (98, 134060), (140, 93842), (196, 67030), (245, 53624), (280, 46921), (392, 33515), (490, 26812), (980, 13406), (1960, 6703)]