25742500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1471}}^1$

素因数の和:1502

約数の個数: 60

約数和(自身を含む): 64379392

約数和(自身を除く): 38636892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1471, 1750, 2500, 2942, 3500, 4375, 5884, 7355, 8750, 10297, 14710, 17500, 20594, 29420, 36775, 41188, 51485, 73550, 102970, 147100, 183875, 205940, 257425, 367750, 514850, 735500, 919375, 1029700, 1287125, 1838750, 2574250, 3677500, 5148500, 6435625, 12871250, 25742500]

約数ペア:

[(1, 25742500), (2, 12871250), (4, 6435625), (5, 5148500), (7, 3677500), (10, 2574250), (14, 1838750), (20, 1287125), (25, 1029700), (28, 919375), (35, 735500), (50, 514850), (70, 367750), (100, 257425), (125, 205940), (140, 183875), (175, 147100), (250, 102970), (350, 73550), (500, 51485), (625, 41188), (700, 36775), (875, 29420), (1250, 20594), (1471, 17500), (1750, 14710), (2500, 10297), (2942, 8750), (3500, 7355), (4375, 5884)]