22481240

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2137}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 50798880

約数和(自身を除く): 28317640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2137, 2630, 4274, 5260, 8548, 10520, 10685, 17096, 21370, 42740, 85480, 562031, 1124062, 2248124, 2810155, 4496248, 5620310, 11240620, 22481240]

約数ペア:

[(1, 22481240), (2, 11240620), (4, 5620310), (5, 4496248), (8, 2810155), (10, 2248124), (20, 1124062), (40, 562031), (263, 85480), (526, 42740), (1052, 21370), (1315, 17096), (2104, 10685), (2137, 10520), (2630, 8548), (4274, 5260)]