22578440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13127}}^1$

素因数の和:13181

約数の個数: 32

約数和(自身を含む): 51986880

約数和(自身を除く): 29408440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13127, 26254, 52508, 65635, 105016, 131270, 262540, 525080, 564461, 1128922, 2257844, 2822305, 4515688, 5644610, 11289220, 22578440]

約数ペア:

[(1, 22578440), (2, 11289220), (4, 5644610), (5, 4515688), (8, 2822305), (10, 2257844), (20, 1128922), (40, 564461), (43, 525080), (86, 262540), (172, 131270), (215, 105016), (344, 65635), (430, 52508), (860, 26254), (1720, 13127)]