25240000

素因数分解:

$2^6\times 5^4\times {\mathrm{631}}^1$

素因数の和:663

約数の個数: 70

約数和(自身を含む): 62686184

約数和(自身を除く): 37446184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 631, 800, 1000, 1250, 1262, 1600, 2000, 2500, 2524, 3155, 4000, 5000, 5048, 6310, 8000, 10000, 10096, 12620, 15775, 20000, 20192, 25240, 31550, 40000, 40384, 50480, 63100, 78875, 100960, 126200, 157750, 201920, 252400, 315500, 394375, 504800, 631000, 788750, 1009600, 1262000, 1577500, 2524000, 3155000, 5048000, 6310000, 12620000, 25240000]

約数ペア:

[(1, 25240000), (2, 12620000), (4, 6310000), (5, 5048000), (8, 3155000), (10, 2524000), (16, 1577500), (20, 1262000), (25, 1009600), (32, 788750), (40, 631000), (50, 504800), (64, 394375), (80, 315500), (100, 252400), (125, 201920), (160, 157750), (200, 126200), (250, 100960), (320, 78875), (400, 63100), (500, 50480), (625, 40384), (631, 40000), (800, 31550), (1000, 25240), (1250, 20192), (1262, 20000), (1600, 15775), (2000, 12620), (2500, 10096), (2524, 10000), (3155, 8000), (4000, 6310), (5000, 5048)]