68912740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2087}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 157151232

約数和(自身を除く): 88238492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2087, 2540, 3302, 4174, 6604, 8255, 8348, 10435, 16510, 20870, 27131, 33020, 41740, 54262, 108524, 135655, 265049, 271310, 530098, 542620, 1060196, 1325245, 2650490, 3445637, 5300980, 6891274, 13782548, 17228185, 34456370, 68912740]

約数ペア:

[(1, 68912740), (2, 34456370), (4, 17228185), (5, 13782548), (10, 6891274), (13, 5300980), (20, 3445637), (26, 2650490), (52, 1325245), (65, 1060196), (127, 542620), (130, 530098), (254, 271310), (260, 265049), (508, 135655), (635, 108524), (1270, 54262), (1651, 41740), (2087, 33020), (2540, 27131), (3302, 20870), (4174, 16510), (6604, 10435), (8255, 8348)]