65121671200

素因数分解:

$2^5\times 5^2\times {\mathrm{81402089}}^1$

素因数の和:81402109

約数の個数: 36

約数和(自身を含む): 158978281770

約数和(自身を除く): 93856610570

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 81402089, 162804178, 325608356, 407010445, 651216712, 814020890, 1302433424, 1628041780, 2035052225, 2604866848, 3256083560, 4070104450, 6512167120, 8140208900, 13024334240, 16280417800, 32560835600, 65121671200]

約数ペア:

[(1, 65121671200), (2, 32560835600), (4, 16280417800), (5, 13024334240), (8, 8140208900), (10, 6512167120), (16, 4070104450), (20, 3256083560), (25, 2604866848), (32, 2035052225), (40, 1628041780), (50, 1302433424), (80, 814020890), (100, 651216712), (160, 407010445), (200, 325608356), (400, 162804178), (800, 81402089)]