1010000

素因数分解:

$2^4\times 5^4\times {\mathrm{101}}^1$

素因数の和:129

約数の個数: 50

約数和(自身を含む): 2469522

約数和(自身を除く): 1459522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 125, 200, 202, 250, 400, 404, 500, 505, 625, 808, 1000, 1010, 1250, 1616, 2000, 2020, 2500, 2525, 4040, 5000, 5050, 8080, 10000, 10100, 12625, 20200, 25250, 40400, 50500, 63125, 101000, 126250, 202000, 252500, 505000, 1010000]

約数ペア:

[(1, 1010000), (2, 505000), (4, 252500), (5, 202000), (8, 126250), (10, 101000), (16, 63125), (20, 50500), (25, 40400), (40, 25250), (50, 20200), (80, 12625), (100, 10100), (101, 10000), (125, 8080), (200, 5050), (202, 5000), (250, 4040), (400, 2525), (404, 2500), (500, 2020), (505, 2000), (625, 1616), (808, 1250), (1000, 1010)]