25360000

素因数分解:

$2^7\times 5^4\times {\mathrm{317}}^1$

素因数の和:351

約数の個数: 80

約数和(自身を含む): 63331290

約数和(自身を除く): 37971290

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 317, 320, 400, 500, 625, 634, 640, 800, 1000, 1250, 1268, 1585, 1600, 2000, 2500, 2536, 3170, 3200, 4000, 5000, 5072, 6340, 7925, 8000, 10000, 10144, 12680, 15850, 16000, 20000, 20288, 25360, 31700, 39625, 40000, 40576, 50720, 63400, 79250, 80000, 101440, 126800, 158500, 198125, 202880, 253600, 317000, 396250, 507200, 634000, 792500, 1014400, 1268000, 1585000, 2536000, 3170000, 5072000, 6340000, 12680000, 25360000]

約数ペア:

[(1, 25360000), (2, 12680000), (4, 6340000), (5, 5072000), (8, 3170000), (10, 2536000), (16, 1585000), (20, 1268000), (25, 1014400), (32, 792500), (40, 634000), (50, 507200), (64, 396250), (80, 317000), (100, 253600), (125, 202880), (128, 198125), (160, 158500), (200, 126800), (250, 101440), (317, 80000), (320, 79250), (400, 63400), (500, 50720), (625, 40576), (634, 40000), (640, 39625), (800, 31700), (1000, 25360), (1250, 20288), (1268, 20000), (1585, 16000), (1600, 15850), (2000, 12680), (2500, 10144), (2536, 10000), (3170, 8000), (3200, 7925), (4000, 6340), (5000, 5072)]