823171520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82981}}^1$

素因数の和:83029

約数の個数: 56

約数和(自身を含む): 2023433088

約数和(自身を除く): 1200261568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 82981, 165962, 331924, 414905, 663848, 829810, 1327696, 1659620, 2572411, 2655392, 3319240, 5144822, 5310784, 6638480, 10289644, 12862055, 13276960, 20579288, 25724110, 26553920, 41158576, 51448220, 82317152, 102896440, 164634304, 205792880, 411585760, 823171520]

約数ペア:

[(1, 823171520), (2, 411585760), (4, 205792880), (5, 164634304), (8, 102896440), (10, 82317152), (16, 51448220), (20, 41158576), (31, 26553920), (32, 25724110), (40, 20579288), (62, 13276960), (64, 12862055), (80, 10289644), (124, 6638480), (155, 5310784), (160, 5144822), (248, 3319240), (310, 2655392), (320, 2572411), (496, 1659620), (620, 1327696), (992, 829810), (1240, 663848), (1984, 414905), (2480, 331924), (4960, 165962), (9920, 82981)]