2056540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 4504248

約数和(自身を除く): 2447708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 961, 1070, 1922, 2140, 3317, 3844, 4805, 6634, 9610, 13268, 16585, 19220, 33170, 66340, 102827, 205654, 411308, 514135, 1028270, 2056540]

約数ペア:

[(1, 2056540), (2, 1028270), (4, 514135), (5, 411308), (10, 205654), (20, 102827), (31, 66340), (62, 33170), (107, 19220), (124, 16585), (155, 13268), (214, 9610), (310, 6634), (428, 4805), (535, 3844), (620, 3317), (961, 2140), (1070, 1922)]