165770480

素因数分解:

$2^4\times 5^1\times {\mathrm{2072131}}^1$

素因数の和:2072144

約数の個数: 20

約数和(自身を含む): 385416552

約数和(自身を除く): 219646072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2072131, 4144262, 8288524, 10360655, 16577048, 20721310, 33154096, 41442620, 82885240, 165770480]

約数ペア:

[(1, 165770480), (2, 82885240), (4, 41442620), (5, 33154096), (8, 20721310), (10, 16577048), (16, 10360655), (20, 8288524), (40, 4144262), (80, 2072131)]