22120240

素因数分解:

$2^4\times 5^1\times {\mathrm{276503}}^1$

素因数の和:276516

約数の個数: 20

約数和(自身を含む): 51429744

約数和(自身を除く): 29309504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276503, 553006, 1106012, 1382515, 2212024, 2765030, 4424048, 5530060, 11060120, 22120240]

約数ペア:

[(1, 22120240), (2, 11060120), (4, 5530060), (5, 4424048), (8, 2765030), (10, 2212024), (16, 1382515), (20, 1106012), (40, 553006), (80, 276503)]