1239020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 2667168

約数和(自身を除く): 1428148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1511, 3022, 6044, 7555, 15110, 30220, 61951, 123902, 247804, 309755, 619510, 1239020]

約数ペア:

[(1, 1239020), (2, 619510), (4, 309755), (5, 247804), (10, 123902), (20, 61951), (41, 30220), (82, 15110), (164, 7555), (205, 6044), (410, 3022), (820, 1511)]