2825000

素因数分解:

$2^3\times 5^5\times {\mathrm{113}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 6679260

約数和(自身を除く): 3854260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 200, 226, 250, 452, 500, 565, 625, 904, 1000, 1130, 1250, 2260, 2500, 2825, 3125, 4520, 5000, 5650, 6250, 11300, 12500, 14125, 22600, 25000, 28250, 56500, 70625, 113000, 141250, 282500, 353125, 565000, 706250, 1412500, 2825000]

約数ペア:

[(1, 2825000), (2, 1412500), (4, 706250), (5, 565000), (8, 353125), (10, 282500), (20, 141250), (25, 113000), (40, 70625), (50, 56500), (100, 28250), (113, 25000), (125, 22600), (200, 14125), (226, 12500), (250, 11300), (452, 6250), (500, 5650), (565, 5000), (625, 4520), (904, 3125), (1000, 2825), (1130, 2500), (1250, 2260)]