64474160

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4091}}^1$

素因数の和:4301

約数の個数: 40

約数和(自身を含む): 150700176

約数和(自身を除く): 86226016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4091, 7880, 8182, 15760, 16364, 20455, 32728, 40910, 65456, 81820, 163640, 327280, 805927, 1611854, 3223708, 4029635, 6447416, 8059270, 12894832, 16118540, 32237080, 64474160]

約数ペア:

[(1, 64474160), (2, 32237080), (4, 16118540), (5, 12894832), (8, 8059270), (10, 6447416), (16, 4029635), (20, 3223708), (40, 1611854), (80, 805927), (197, 327280), (394, 163640), (788, 81820), (985, 65456), (1576, 40910), (1970, 32728), (3152, 20455), (3940, 16364), (4091, 15760), (7880, 8182)]