219242051240

素因数分解:

$2^3\times 5^1\times {\mathrm{5481051281}}^1$

素因数の和:5481051292

約数の個数: 16

約数和(自身を含む): 493294615380

約数和(自身を除く): 274052564140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5481051281, 10962102562, 21924205124, 27405256405, 43848410248, 54810512810, 109621025620, 219242051240]

約数ペア:

[(1, 219242051240), (2, 109621025620), (4, 54810512810), (5, 43848410248), (8, 27405256405), (10, 21924205124), (20, 10962102562), (40, 5481051281)]