160815040

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2551}}^1$

素因数の和:2765

約数の個数: 56

約数和(自身を含む): 385035552

約数和(自身を除く): 224220512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 2551, 3152, 3940, 5102, 6304, 7880, 10204, 12608, 12755, 15760, 20408, 25510, 31520, 40816, 51020, 63040, 81632, 102040, 163264, 204080, 408160, 502547, 816320, 1005094, 2010188, 2512735, 4020376, 5025470, 8040752, 10050940, 16081504, 20101880, 32163008, 40203760, 80407520, 160815040]

約数ペア:

[(1, 160815040), (2, 80407520), (4, 40203760), (5, 32163008), (8, 20101880), (10, 16081504), (16, 10050940), (20, 8040752), (32, 5025470), (40, 4020376), (64, 2512735), (80, 2010188), (160, 1005094), (197, 816320), (320, 502547), (394, 408160), (788, 204080), (985, 163264), (1576, 102040), (1970, 81632), (2551, 63040), (3152, 51020), (3940, 40816), (5102, 31520), (6304, 25510), (7880, 20408), (10204, 15760), (12608, 12755)]