18825101525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{9811}}^1$

素因数の和:9962

約数の個数: 48

約数和(自身を含む): 25229242368

約数和(自身を除く): 6404140843

約数列:

[1, 5, 23, 25, 47, 71, 115, 235, 355, 575, 1081, 1175, 1633, 1775, 3337, 5405, 8165, 9811, 16685, 27025, 40825, 49055, 76751, 83425, 225653, 245275, 383755, 461117, 696581, 1128265, 1918775, 2305585, 3482905, 5641325, 10605691, 11527925, 16021363, 17414525, 32739307, 53028455, 80106815, 163696535, 265142275, 400534075, 753004061, 818482675, 3765020305, 18825101525]

約数ペア:

[(1, 18825101525), (5, 3765020305), (23, 818482675), (25, 753004061), (47, 400534075), (71, 265142275), (115, 163696535), (235, 80106815), (355, 53028455), (575, 32739307), (1081, 17414525), (1175, 16021363), (1633, 11527925), (1775, 10605691), (3337, 5641325), (5405, 3482905), (8165, 2305585), (9811, 1918775), (16685, 1128265), (27025, 696581), (40825, 461117), (49055, 383755), (76751, 245275), (83425, 225653)]