80164420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30137}}^1$

素因数の和:30172

約数の個数: 48

約数和(自身を含む): 202527360

約数和(自身を除く): 122362940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30137, 60274, 120548, 150685, 210959, 301370, 421918, 572603, 602740, 843836, 1054795, 1145206, 2109590, 2290412, 2863015, 4008221, 4219180, 5726030, 8016442, 11452060, 16032884, 20041105, 40082210, 80164420]

約数ペア:

[(1, 80164420), (2, 40082210), (4, 20041105), (5, 16032884), (7, 11452060), (10, 8016442), (14, 5726030), (19, 4219180), (20, 4008221), (28, 2863015), (35, 2290412), (38, 2109590), (70, 1145206), (76, 1054795), (95, 843836), (133, 602740), (140, 572603), (190, 421918), (266, 301370), (380, 210959), (532, 150685), (665, 120548), (1330, 60274), (2660, 30137)]