20145785600

素因数分解:

$2^8\times 5^2\times {\mathrm{3147779}}^1$

素因数の和:3147805

約数の個数: 54

約数和(自身を含む): 49863982980

約数和(自身を除く): 29718197380

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, 3147779, 6295558, 12591116, 15738895, 25182232, 31477790, 50364464, 62955580, 78694475, 100728928, 125911160, 157388950, 201457856, 251822320, 314777900, 402915712, 503644640, 629555800, 805831424, 1007289280, 1259111600, 2014578560, 2518223200, 4029157120, 5036446400, 10072892800, 20145785600]

約数ペア:

[(1, 20145785600), (2, 10072892800), (4, 5036446400), (5, 4029157120), (8, 2518223200), (10, 2014578560), (16, 1259111600), (20, 1007289280), (25, 805831424), (32, 629555800), (40, 503644640), (50, 402915712), (64, 314777900), (80, 251822320), (100, 201457856), (128, 157388950), (160, 125911160), (200, 100728928), (256, 78694475), (320, 62955580), (400, 50364464), (640, 31477790), (800, 25182232), (1280, 15738895), (1600, 12591116), (3200, 6295558), (6400, 3147779)]