12552440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2879}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 15959560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2879, 4360, 5758, 11516, 14395, 23032, 28790, 57580, 115160, 313811, 627622, 1255244, 1569055, 2510488, 3138110, 6276220, 12552440]

約数ペア:

[(1, 12552440), (2, 6276220), (4, 3138110), (5, 2510488), (8, 1569055), (10, 1255244), (20, 627622), (40, 313811), (109, 115160), (218, 57580), (436, 28790), (545, 23032), (872, 14395), (1090, 11516), (2180, 5758), (2879, 4360)]