71971580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26267}}^1$

素因数の和:26413

約数の個数: 24

約数和(自身を含む): 152249328

約数和(自身を除く): 80277748

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 26267, 52534, 105068, 131335, 262670, 525340, 3598579, 7197158, 14394316, 17992895, 35985790, 71971580]

約数ペア:

[(1, 71971580), (2, 35985790), (4, 17992895), (5, 14394316), (10, 7197158), (20, 3598579), (137, 525340), (274, 262670), (548, 131335), (685, 105068), (1370, 52534), (2740, 26267)]