2637020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 5611200

約数和(自身を除く): 2974180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1669, 3338, 6676, 8345, 16690, 33380, 131851, 263702, 527404, 659255, 1318510, 2637020]

約数ペア:

[(1, 2637020), (2, 1318510), (4, 659255), (5, 527404), (10, 263702), (20, 131851), (79, 33380), (158, 16690), (316, 8345), (395, 6676), (790, 3338), (1580, 1669)]