1685067687440

素因数分解:

$2^4\times 5^1\times {\mathrm{21063346093}}^1$

素因数の和:21063346106

約数の個数: 20

約数和(自身を含む): 3917782373484

約数和(自身を除く): 2232714686044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21063346093, 42126692186, 84253384372, 105316730465, 168506768744, 210633460930, 337013537488, 421266921860, 842533843720, 1685067687440]

約数ペア:

[(1, 1685067687440), (2, 842533843720), (4, 421266921860), (5, 337013537488), (8, 210633460930), (10, 168506768744), (16, 105316730465), (20, 84253384372), (40, 42126692186), (80, 21063346093)]