1256740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2027}}^1$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 2725632

約数和(自身を除く): 1468892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2027, 4054, 8108, 10135, 20270, 40540, 62837, 125674, 251348, 314185, 628370, 1256740]

約数ペア:

[(1, 1256740), (2, 628370), (4, 314185), (5, 251348), (10, 125674), (20, 62837), (31, 40540), (62, 20270), (124, 10135), (155, 8108), (310, 4054), (620, 2027)]