53890460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10909}}^1$

素因数の和:10950

約数の個数: 48

約数和(自身を含む): 128301600

約数和(自身を除く): 74411140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10909, 21818, 43636, 54545, 109090, 141817, 207271, 218180, 283634, 414542, 567268, 709085, 829084, 1036355, 1418170, 2072710, 2694523, 2836340, 4145420, 5389046, 10778092, 13472615, 26945230, 53890460]

約数ペア:

[(1, 53890460), (2, 26945230), (4, 13472615), (5, 10778092), (10, 5389046), (13, 4145420), (19, 2836340), (20, 2694523), (26, 2072710), (38, 1418170), (52, 1036355), (65, 829084), (76, 709085), (95, 567268), (130, 414542), (190, 283634), (247, 218180), (260, 207271), (380, 141817), (494, 109090), (988, 54545), (1235, 43636), (2470, 21818), (4940, 10909)]