20662580800

素因数分解:

$2^6\times 5^2\times {\mathrm{12914113}}^1$

素因数の和:12914135

約数の個数: 42

約数和(自身を含む): 50842866818

約数和(自身を除く): 30180286018

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12914113, 25828226, 51656452, 64570565, 103312904, 129141130, 206625808, 258282260, 322852825, 413251616, 516564520, 645705650, 826503232, 1033129040, 1291411300, 2066258080, 2582822600, 4132516160, 5165645200, 10331290400, 20662580800]

約数ペア:

[(1, 20662580800), (2, 10331290400), (4, 5165645200), (5, 4132516160), (8, 2582822600), (10, 2066258080), (16, 1291411300), (20, 1033129040), (25, 826503232), (32, 645705650), (40, 516564520), (50, 413251616), (64, 322852825), (80, 258282260), (100, 206625808), (160, 129141130), (200, 103312904), (320, 64570565), (400, 51656452), (800, 25828226), (1600, 12914113)]