49959040

素因数分解:

$2^7\times 5^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 120294720

約数和(自身を除く): 70335680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 311, 320, 502, 622, 640, 1004, 1244, 1255, 1555, 2008, 2488, 2510, 3110, 4016, 4976, 5020, 6220, 8032, 9952, 10040, 12440, 16064, 19904, 20080, 24880, 32128, 39808, 40160, 49760, 78061, 80320, 99520, 156122, 160640, 199040, 312244, 390305, 624488, 780610, 1248976, 1561220, 2497952, 3122440, 4995904, 6244880, 9991808, 12489760, 24979520, 49959040]

約数ペア:

[(1, 49959040), (2, 24979520), (4, 12489760), (5, 9991808), (8, 6244880), (10, 4995904), (16, 3122440), (20, 2497952), (32, 1561220), (40, 1248976), (64, 780610), (80, 624488), (128, 390305), (160, 312244), (251, 199040), (311, 160640), (320, 156122), (502, 99520), (622, 80320), (640, 78061), (1004, 49760), (1244, 40160), (1255, 39808), (1555, 32128), (2008, 24880), (2488, 20080), (2510, 19904), (3110, 16064), (4016, 12440), (4976, 10040), (5020, 9952), (6220, 8032)]