201445520

素因数分解:

$2^4\times 5^1\times {\mathrm{2518069}}^1$

素因数の和:2518082

約数の個数: 20

約数和(自身を含む): 468361020

約数和(自身を除く): 266915500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518069, 5036138, 10072276, 12590345, 20144552, 25180690, 40289104, 50361380, 100722760, 201445520]

約数ペア:

[(1, 201445520), (2, 100722760), (4, 50361380), (5, 40289104), (8, 25180690), (10, 20144552), (16, 12590345), (20, 10072276), (40, 5036138), (80, 2518069)]