56385040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 138080448

約数和(自身を除く): 81695408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 443, 592, 688, 740, 860, 886, 1480, 1591, 1720, 1772, 2215, 2960, 3182, 3440, 3544, 4430, 6364, 7088, 7955, 8860, 12728, 15910, 16391, 17720, 19049, 25456, 31820, 32782, 35440, 38098, 63640, 65564, 76196, 81955, 95245, 127280, 131128, 152392, 163910, 190490, 262256, 304784, 327820, 380980, 655640, 704813, 761960, 1311280, 1409626, 1523920, 2819252, 3524065, 5638504, 7048130, 11277008, 14096260, 28192520, 56385040]

約数ペア:

[(1, 56385040), (2, 28192520), (4, 14096260), (5, 11277008), (8, 7048130), (10, 5638504), (16, 3524065), (20, 2819252), (37, 1523920), (40, 1409626), (43, 1311280), (74, 761960), (80, 704813), (86, 655640), (148, 380980), (172, 327820), (185, 304784), (215, 262256), (296, 190490), (344, 163910), (370, 152392), (430, 131128), (443, 127280), (592, 95245), (688, 81955), (740, 76196), (860, 65564), (886, 63640), (1480, 38098), (1591, 35440), (1720, 32782), (1772, 31820), (2215, 25456), (2960, 19049), (3182, 17720), (3440, 16391), (3544, 15910), (4430, 12728), (6364, 8860), (7088, 7955)]