28183780

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{2503}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 59314752

約数和(自身を除く): 31130972

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2503, 2815, 5006, 5630, 10012, 11260, 12515, 25030, 50060, 1409189, 2818378, 5636756, 7045945, 14091890, 28183780]

約数ペア:

[(1, 28183780), (2, 14091890), (4, 7045945), (5, 5636756), (10, 2818378), (20, 1409189), (563, 50060), (1126, 25030), (2252, 12515), (2503, 11260), (2815, 10012), (5006, 5630)]