12213920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3319}}^1$

素因数の和:3357

約数の個数: 48

約数和(自身を含む): 30119040

約数和(自身を除く): 17905120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3319, 3680, 6638, 13276, 16595, 26552, 33190, 53104, 66380, 76337, 106208, 132760, 152674, 265520, 305348, 381685, 531040, 610696, 763370, 1221392, 1526740, 2442784, 3053480, 6106960, 12213920]

約数ペア:

[(1, 12213920), (2, 6106960), (4, 3053480), (5, 2442784), (8, 1526740), (10, 1221392), (16, 763370), (20, 610696), (23, 531040), (32, 381685), (40, 305348), (46, 265520), (80, 152674), (92, 132760), (115, 106208), (160, 76337), (184, 66380), (230, 53104), (368, 33190), (460, 26552), (736, 16595), (920, 13276), (1840, 6638), (3319, 3680)]