1328660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2183

約数の個数: 24

約数和(自身を含む): 2881536

約数和(自身を除く): 1552876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2143, 4286, 8572, 10715, 21430, 42860, 66433, 132866, 265732, 332165, 664330, 1328660]

約数ペア:

[(1, 1328660), (2, 664330), (4, 332165), (5, 265732), (10, 132866), (20, 66433), (31, 42860), (62, 21430), (124, 10715), (155, 8572), (310, 4286), (620, 2143)]