161172280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{29411}}^1$

素因数の和:29559

約数の個数: 32

約数和(自身を含む): 365297040

約数和(自身を除く): 204124760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 29411, 58822, 117644, 147055, 235288, 294110, 588220, 1176440, 4029307, 8058614, 16117228, 20146535, 32234456, 40293070, 80586140, 161172280]

約数ペア:

[(1, 161172280), (2, 80586140), (4, 40293070), (5, 32234456), (8, 20146535), (10, 16117228), (20, 8058614), (40, 4029307), (137, 1176440), (274, 588220), (548, 294110), (685, 235288), (1096, 147055), (1370, 117644), (2740, 58822), (5480, 29411)]