1271020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 2699424

約数和(自身を除く): 1428404

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 617, 1030, 1234, 2060, 2468, 3085, 6170, 12340, 63551, 127102, 254204, 317755, 635510, 1271020]

約数ペア:

[(1, 1271020), (2, 635510), (4, 317755), (5, 254204), (10, 127102), (20, 63551), (103, 12340), (206, 6170), (412, 3085), (515, 2468), (617, 2060), (1030, 1234)]