12882440

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{727}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 29090880

約数和(自身を除く): 16208440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 727, 886, 1454, 1772, 2215, 2908, 3544, 3635, 4430, 5816, 7270, 8860, 14540, 17720, 29080, 322061, 644122, 1288244, 1610305, 2576488, 3220610, 6441220, 12882440]

約数ペア:

[(1, 12882440), (2, 6441220), (4, 3220610), (5, 2576488), (8, 1610305), (10, 1288244), (20, 644122), (40, 322061), (443, 29080), (727, 17720), (886, 14540), (1454, 8860), (1772, 7270), (2215, 5816), (2908, 4430), (3544, 3635)]