25812500

素因数分解:

$2^2\times 5^6\times 7^1\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 84

約数和(自身を含む): 65624160

約数和(自身を除く): 39811660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 100, 118, 125, 140, 175, 236, 250, 295, 350, 413, 500, 590, 625, 700, 826, 875, 1180, 1250, 1475, 1652, 1750, 2065, 2500, 2950, 3125, 3500, 4130, 4375, 5900, 6250, 7375, 8260, 8750, 10325, 12500, 14750, 15625, 17500, 20650, 21875, 29500, 31250, 36875, 41300, 43750, 51625, 62500, 73750, 87500, 103250, 109375, 147500, 184375, 206500, 218750, 258125, 368750, 437500, 516250, 737500, 921875, 1032500, 1290625, 1843750, 2581250, 3687500, 5162500, 6453125, 12906250, 25812500]

約数ペア:

[(1, 25812500), (2, 12906250), (4, 6453125), (5, 5162500), (7, 3687500), (10, 2581250), (14, 1843750), (20, 1290625), (25, 1032500), (28, 921875), (35, 737500), (50, 516250), (59, 437500), (70, 368750), (100, 258125), (118, 218750), (125, 206500), (140, 184375), (175, 147500), (236, 109375), (250, 103250), (295, 87500), (350, 73750), (413, 62500), (500, 51625), (590, 43750), (625, 41300), (700, 36875), (826, 31250), (875, 29500), (1180, 21875), (1250, 20650), (1475, 17500), (1652, 15625), (1750, 14750), (2065, 12500), (2500, 10325), (2950, 8750), (3125, 8260), (3500, 7375), (4130, 6250), (4375, 5900)]