2525000

素因数分解:

$2^3\times 5^5\times {\mathrm{101}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 5976180

約数和(自身を除く): 3451180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 404, 500, 505, 625, 808, 1000, 1010, 1250, 2020, 2500, 2525, 3125, 4040, 5000, 5050, 6250, 10100, 12500, 12625, 20200, 25000, 25250, 50500, 63125, 101000, 126250, 252500, 315625, 505000, 631250, 1262500, 2525000]

約数ペア:

[(1, 2525000), (2, 1262500), (4, 631250), (5, 505000), (8, 315625), (10, 252500), (20, 126250), (25, 101000), (40, 63125), (50, 50500), (100, 25250), (101, 25000), (125, 20200), (200, 12625), (202, 12500), (250, 10100), (404, 6250), (500, 5050), (505, 5000), (625, 4040), (808, 3125), (1000, 2525), (1010, 2500), (1250, 2020)]