22421920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3317

約数の個数: 48

約数和(自身を含む): 54220320

約数和(自身を除く): 31798400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3259, 3440, 6518, 6880, 13036, 16295, 26072, 32590, 52144, 65180, 104288, 130360, 140137, 260720, 280274, 521440, 560548, 700685, 1121096, 1401370, 2242192, 2802740, 4484384, 5605480, 11210960, 22421920]

約数ペア:

[(1, 22421920), (2, 11210960), (4, 5605480), (5, 4484384), (8, 2802740), (10, 2242192), (16, 1401370), (20, 1121096), (32, 700685), (40, 560548), (43, 521440), (80, 280274), (86, 260720), (160, 140137), (172, 130360), (215, 104288), (344, 65180), (430, 52144), (688, 32590), (860, 26072), (1376, 16295), (1720, 13036), (3259, 6880), (3440, 6518)]