664277440

素因数分解:

$2^6\times 5^1\times {\mathrm{2075867}}^1$

素因数の和:2075884

約数の個数: 28

約数和(自身を含む): 1581811416

約数和(自身を除く): 917533976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2075867, 4151734, 8303468, 10379335, 16606936, 20758670, 33213872, 41517340, 66427744, 83034680, 132855488, 166069360, 332138720, 664277440]

約数ペア:

[(1, 664277440), (2, 332138720), (4, 166069360), (5, 132855488), (8, 83034680), (10, 66427744), (16, 41517340), (20, 33213872), (32, 20758670), (40, 16606936), (64, 10379335), (80, 8303468), (160, 4151734), (320, 2075867)]