2013558320

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{318601}}^1$

素因数の和:318693

約数の個数: 40

約数和(自身を含む): 4740797760

約数和(自身を除く): 2727239440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 318601, 637202, 1274404, 1593005, 2548808, 3186010, 5097616, 6372020, 12744040, 25169479, 25488080, 50338958, 100677916, 125847395, 201355832, 251694790, 402711664, 503389580, 1006779160, 2013558320]

約数ペア:

[(1, 2013558320), (2, 1006779160), (4, 503389580), (5, 402711664), (8, 251694790), (10, 201355832), (16, 125847395), (20, 100677916), (40, 50338958), (79, 25488080), (80, 25169479), (158, 12744040), (316, 6372020), (395, 5097616), (632, 3186010), (790, 2548808), (1264, 1593005), (1580, 1274404), (3160, 637202), (6320, 318601)]