205655972020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2711}}^1\times {\mathrm{39103}}^1$

素因数の和:41920

約数の個数: 48

約数和(自身を含む): 436501997568

約数和(自身を除く): 230846025548

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 2711, 5422, 10844, 13555, 27110, 39103, 54220, 78206, 156412, 195515, 262967, 391030, 525934, 782060, 1051868, 1314835, 2629670, 3792991, 5259340, 7585982, 15171964, 18964955, 37929910, 75859820, 106008233, 212016466, 424032932, 530041165, 1060082330, 2120164660, 10282798601, 20565597202, 41131194404, 51413993005, 102827986010, 205655972020]

約数ペア:

[(1, 205655972020), (2, 102827986010), (4, 51413993005), (5, 41131194404), (10, 20565597202), (20, 10282798601), (97, 2120164660), (194, 1060082330), (388, 530041165), (485, 424032932), (970, 212016466), (1940, 106008233), (2711, 75859820), (5422, 37929910), (10844, 18964955), (13555, 15171964), (27110, 7585982), (39103, 5259340), (54220, 3792991), (78206, 2629670), (156412, 1314835), (195515, 1051868), (262967, 782060), (391030, 525934)]