65140520

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3761}}^1$

素因数の和:4205

約数の個数: 32

約数和(自身を含む): 146943720

約数和(自身を除く): 81803200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 3761, 4330, 7522, 8660, 15044, 17320, 18805, 30088, 37610, 75220, 150440, 1628513, 3257026, 6514052, 8142565, 13028104, 16285130, 32570260, 65140520]

約数ペア:

[(1, 65140520), (2, 32570260), (4, 16285130), (5, 13028104), (8, 8142565), (10, 6514052), (20, 3257026), (40, 1628513), (433, 150440), (866, 75220), (1732, 37610), (2165, 30088), (3464, 18805), (3761, 17320), (4330, 15044), (7522, 8660)]