67991620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25951}}^1$

素因数の和:26091

約数の個数: 24

約数和(自身を含む): 143877888

約数和(自身を除く): 75886268

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 25951, 51902, 103804, 129755, 259510, 519020, 3399581, 6799162, 13598324, 16997905, 33995810, 67991620]

約数ペア:

[(1, 67991620), (2, 33995810), (4, 16997905), (5, 13598324), (10, 6799162), (20, 3399581), (131, 519020), (262, 259510), (524, 129755), (655, 103804), (1310, 51902), (2620, 25951)]