65328680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1193}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 151196220

約数和(自身を除く): 85867540

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1193, 1369, 1480, 2386, 2738, 4772, 5476, 5965, 6845, 9544, 10952, 11930, 13690, 23860, 27380, 44141, 47720, 54760, 88282, 176564, 220705, 353128, 441410, 882820, 1633217, 1765640, 3266434, 6532868, 8166085, 13065736, 16332170, 32664340, 65328680]

約数ペア:

[(1, 65328680), (2, 32664340), (4, 16332170), (5, 13065736), (8, 8166085), (10, 6532868), (20, 3266434), (37, 1765640), (40, 1633217), (74, 882820), (148, 441410), (185, 353128), (296, 220705), (370, 176564), (740, 88282), (1193, 54760), (1369, 47720), (1480, 44141), (2386, 27380), (2738, 23860), (4772, 13690), (5476, 11930), (5965, 10952), (6845, 9544)]