51143480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75211}}^1$

素因数の和:75239

約数の個数: 32

約数和(自身を含む): 121843440

約数和(自身を除く): 70699960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 75211, 150422, 300844, 376055, 601688, 752110, 1278587, 1504220, 2557174, 3008440, 5114348, 6392935, 10228696, 12785870, 25571740, 51143480]

約数ペア:

[(1, 51143480), (2, 25571740), (4, 12785870), (5, 10228696), (8, 6392935), (10, 5114348), (17, 3008440), (20, 2557174), (34, 1504220), (40, 1278587), (68, 752110), (85, 601688), (136, 376055), (170, 300844), (340, 150422), (680, 75211)]