829123840

素因数分解:

$2^8\times 5^1\times {\mathrm{647753}}^1$

素因数の和:647774

約数の個数: 36

約数和(自身を含む): 1986013764

約数和(自身を除く): 1156889924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 647753, 1295506, 2591012, 3238765, 5182024, 6477530, 10364048, 12955060, 20728096, 25910120, 41456192, 51820240, 82912384, 103640480, 165824768, 207280960, 414561920, 829123840]

約数ペア:

[(1, 829123840), (2, 414561920), (4, 207280960), (5, 165824768), (8, 103640480), (10, 82912384), (16, 51820240), (20, 41456192), (32, 25910120), (40, 20728096), (64, 12955060), (80, 10364048), (128, 6477530), (160, 5182024), (256, 3238765), (320, 2591012), (640, 1295506), (1280, 647753)]