202000

素因数分解:

$2^4\times 5^3\times {\mathrm{101}}^1$

素因数の和:124

約数の個数: 40

約数和(自身を含む): 493272

約数和(自身を除く): 291272

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, 808, 1000, 1010, 1616, 2000, 2020, 2525, 4040, 5050, 8080, 10100, 12625, 20200, 25250, 40400, 50500, 101000, 202000]

約数ペア:

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