2013330320

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^2\times {\mathrm{1021}}^1$

素因数の和:1348

約数の個数: 60

約数和(自身を含む): 4715612244

約数和(自身を除く): 2702281924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1021, 1256, 1570, 2042, 2512, 3140, 4084, 5105, 6280, 8168, 10210, 12560, 16336, 20420, 24649, 40840, 49298, 81680, 98596, 123245, 160297, 197192, 246490, 320594, 394384, 492980, 641188, 801485, 985960, 1282376, 1602970, 1971920, 2564752, 3205940, 6411880, 12823760, 25166629, 50333258, 100666516, 125833145, 201333032, 251666290, 402666064, 503332580, 1006665160, 2013330320]

約数ペア:

[(1, 2013330320), (2, 1006665160), (4, 503332580), (5, 402666064), (8, 251666290), (10, 201333032), (16, 125833145), (20, 100666516), (40, 50333258), (80, 25166629), (157, 12823760), (314, 6411880), (628, 3205940), (785, 2564752), (1021, 1971920), (1256, 1602970), (1570, 1282376), (2042, 985960), (2512, 801485), (3140, 641188), (4084, 492980), (5105, 394384), (6280, 320594), (8168, 246490), (10210, 197192), (12560, 160297), (16336, 123245), (20420, 98596), (24649, 81680), (40840, 49298)]