328045000

素因数分解:

$2^3\times 5^4\times {\mathrm{65609}}^1$

素因数の和:65635

約数の個数: 40

約数和(自身を含む): 768621150

約数和(自身を除く): 440576150

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 65609, 131218, 262436, 328045, 524872, 656090, 1312180, 1640225, 2624360, 3280450, 6560900, 8201125, 13121800, 16402250, 32804500, 41005625, 65609000, 82011250, 164022500, 328045000]

約数ペア:

[(1, 328045000), (2, 164022500), (4, 82011250), (5, 65609000), (8, 41005625), (10, 32804500), (20, 16402250), (25, 13121800), (40, 8201125), (50, 6560900), (100, 3280450), (125, 2624360), (200, 1640225), (250, 1312180), (500, 656090), (625, 524872), (1000, 328045), (1250, 262436), (2500, 131218), (5000, 65609)]