25991500

素因数分解:

$2^2\times 5^3\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 57264480

約数和(自身を除く): 31272980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 227, 229, 250, 454, 458, 500, 908, 916, 1135, 1145, 2270, 2290, 4540, 4580, 5675, 5725, 11350, 11450, 22700, 22900, 28375, 28625, 51983, 56750, 57250, 103966, 113500, 114500, 207932, 259915, 519830, 1039660, 1299575, 2599150, 5198300, 6497875, 12995750, 25991500]

約数ペア:

[(1, 25991500), (2, 12995750), (4, 6497875), (5, 5198300), (10, 2599150), (20, 1299575), (25, 1039660), (50, 519830), (100, 259915), (125, 207932), (227, 114500), (229, 113500), (250, 103966), (454, 57250), (458, 56750), (500, 51983), (908, 28625), (916, 28375), (1135, 22900), (1145, 22700), (2270, 11450), (2290, 11350), (4540, 5725), (4580, 5675)]