166069360

素因数分解:

$2^4\times 5^1\times {\mathrm{2075867}}^1$

素因数の和:2075880

約数の個数: 20

約数和(自身を含む): 386111448

約数和(自身を除く): 220042088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2075867, 4151734, 8303468, 10379335, 16606936, 20758670, 33213872, 41517340, 83034680, 166069360]

約数ペア:

[(1, 166069360), (2, 83034680), (4, 41517340), (5, 33213872), (8, 20758670), (10, 16606936), (16, 10379335), (20, 8303468), (40, 4151734), (80, 2075867)]