81994780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{585677}}^1$

素因数の和:585693

約数の個数: 24

約数和(自身を含む): 196787808

約数和(自身を除く): 114793028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 585677, 1171354, 2342708, 2928385, 4099739, 5856770, 8199478, 11713540, 16398956, 20498695, 40997390, 81994780]

約数ペア:

[(1, 81994780), (2, 40997390), (4, 20498695), (5, 16398956), (7, 11713540), (10, 8199478), (14, 5856770), (20, 4099739), (28, 2928385), (35, 2342708), (70, 1171354), (140, 585677)]