2566764800

素因数分解:

$2^8\times 5^2\times {\mathrm{401057}}^1$

素因数の和:401083

約数の個数: 54

約数和(自身を含む): 6353159778

約数和(自身を除く): 3786394978

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 401057, 802114, 1604228, 2005285, 3208456, 4010570, 6416912, 8021140, 10026425, 12833824, 16042280, 20052850, 25667648, 32084560, 40105700, 51335296, 64169120, 80211400, 102670592, 128338240, 160422800, 256676480, 320845600, 513352960, 641691200, 1283382400, 2566764800]

約数ペア:

[(1, 2566764800), (2, 1283382400), (4, 641691200), (5, 513352960), (8, 320845600), (10, 256676480), (16, 160422800), (20, 128338240), (25, 102670592), (32, 80211400), (40, 64169120), (50, 51335296), (64, 40105700), (80, 32084560), (100, 25667648), (128, 20052850), (160, 16042280), (200, 12833824), (256, 10026425), (320, 8021140), (400, 6416912), (640, 4010570), (800, 3208456), (1280, 2005285), (1600, 1604228), (3200, 802114), (6400, 401057)]