204062500

素因数分解:

$2^2\times 5^7\times {\mathrm{653}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 447069168

約数和(自身を除く): 243006668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 653, 1250, 1306, 2500, 2612, 3125, 3265, 6250, 6530, 12500, 13060, 15625, 16325, 31250, 32650, 62500, 65300, 78125, 81625, 156250, 163250, 312500, 326500, 408125, 816250, 1632500, 2040625, 4081250, 8162500, 10203125, 20406250, 40812500, 51015625, 102031250, 204062500]

約数ペア:

[(1, 204062500), (2, 102031250), (4, 51015625), (5, 40812500), (10, 20406250), (20, 10203125), (25, 8162500), (50, 4081250), (100, 2040625), (125, 1632500), (250, 816250), (500, 408125), (625, 326500), (653, 312500), (1250, 163250), (1306, 156250), (2500, 81625), (2612, 78125), (3125, 65300), (3265, 62500), (6250, 32650), (6530, 31250), (12500, 16325), (13060, 15625)]