2007991640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{3527}}^1$

素因数の和:3912

約数の個数: 64

約数和(自身を含む): 4638332160

約数和(自身を除く): 2630340520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 331, 344, 430, 662, 860, 1324, 1655, 1720, 2648, 3310, 3527, 6620, 7054, 13240, 14108, 14233, 17635, 28216, 28466, 35270, 56932, 70540, 71165, 113864, 141080, 142330, 151661, 284660, 303322, 569320, 606644, 758305, 1167437, 1213288, 1516610, 2334874, 3033220, 4669748, 5837185, 6066440, 9339496, 11674370, 23348740, 46697480, 50199791, 100399582, 200799164, 250998955, 401598328, 501997910, 1003995820, 2007991640]

約数ペア:

[(1, 2007991640), (2, 1003995820), (4, 501997910), (5, 401598328), (8, 250998955), (10, 200799164), (20, 100399582), (40, 50199791), (43, 46697480), (86, 23348740), (172, 11674370), (215, 9339496), (331, 6066440), (344, 5837185), (430, 4669748), (662, 3033220), (860, 2334874), (1324, 1516610), (1655, 1213288), (1720, 1167437), (2648, 758305), (3310, 606644), (3527, 569320), (6620, 303322), (7054, 284660), (13240, 151661), (14108, 142330), (14233, 141080), (17635, 113864), (28216, 71165), (28466, 70540), (35270, 56932)]