68780660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2083}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 156850176

約数和(自身を除く): 88069516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2083, 2540, 3302, 4166, 6604, 8255, 8332, 10415, 16510, 20830, 27079, 33020, 41660, 54158, 108316, 135395, 264541, 270790, 529082, 541580, 1058164, 1322705, 2645410, 3439033, 5290820, 6878066, 13756132, 17195165, 34390330, 68780660]

約数ペア:

[(1, 68780660), (2, 34390330), (4, 17195165), (5, 13756132), (10, 6878066), (13, 5290820), (20, 3439033), (26, 2645410), (52, 1322705), (65, 1058164), (127, 541580), (130, 529082), (254, 270790), (260, 264541), (508, 135395), (635, 108316), (1270, 54158), (1651, 41660), (2083, 33020), (2540, 27079), (3302, 20830), (4166, 16510), (6604, 10415), (8255, 8332)]