31505954740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{265157}}^1$

素因数の和:265636

約数の個数: 48

約数和(自身を含む): 71408110032

約数和(自身を除く): 39902155292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 457, 914, 1828, 2285, 4570, 5941, 9140, 11882, 23764, 29705, 59410, 118820, 265157, 530314, 1060628, 1325785, 2651570, 3447041, 5303140, 6894082, 13788164, 17235205, 34470410, 68940820, 121176749, 242353498, 484706996, 605883745, 1211767490, 1575297737, 2423534980, 3150595474, 6301190948, 7876488685, 15752977370, 31505954740]

約数ペア:

[(1, 31505954740), (2, 15752977370), (4, 7876488685), (5, 6301190948), (10, 3150595474), (13, 2423534980), (20, 1575297737), (26, 1211767490), (52, 605883745), (65, 484706996), (130, 242353498), (260, 121176749), (457, 68940820), (914, 34470410), (1828, 17235205), (2285, 13788164), (4570, 6894082), (5941, 5303140), (9140, 3447041), (11882, 2651570), (23764, 1325785), (29705, 1060628), (59410, 530314), (118820, 265157)]