2019701920

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{141833}}^1$

素因数の和:141937

約数の個数: 48

約数和(自身を含む): 4825192680

約数和(自身を除く): 2805490760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 141833, 283666, 567332, 709165, 1134664, 1418330, 2269328, 2836660, 4538656, 5673320, 11346640, 12623137, 22693280, 25246274, 50492548, 63115685, 100985096, 126231370, 201970192, 252462740, 403940384, 504925480, 1009850960, 2019701920]

約数ペア:

[(1, 2019701920), (2, 1009850960), (4, 504925480), (5, 403940384), (8, 252462740), (10, 201970192), (16, 126231370), (20, 100985096), (32, 63115685), (40, 50492548), (80, 25246274), (89, 22693280), (160, 12623137), (178, 11346640), (356, 5673320), (445, 4538656), (712, 2836660), (890, 2269328), (1424, 1418330), (1780, 1134664), (2848, 709165), (3560, 567332), (7120, 283666), (14240, 141833)]