13166660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 30164400

約数和(自身を除く): 16997740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 569, 890, 1138, 1157, 1780, 2276, 2314, 2845, 4628, 5690, 5785, 7397, 11380, 11570, 14794, 23140, 29588, 36985, 50641, 73970, 101282, 147940, 202564, 253205, 506410, 658333, 1012820, 1316666, 2633332, 3291665, 6583330, 13166660]

約数ペア:

[(1, 13166660), (2, 6583330), (4, 3291665), (5, 2633332), (10, 1316666), (13, 1012820), (20, 658333), (26, 506410), (52, 253205), (65, 202564), (89, 147940), (130, 101282), (178, 73970), (260, 50641), (356, 36985), (445, 29588), (569, 23140), (890, 14794), (1138, 11570), (1157, 11380), (1780, 7397), (2276, 5785), (2314, 5690), (2845, 4628)]