31456960

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:713

約数の個数: 56

約数和(自身を含む): 75438000

約数和(自身を除く): 43981040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 499, 788, 985, 998, 1576, 1970, 1996, 2495, 3152, 3940, 3992, 4990, 6304, 7880, 7984, 9980, 12608, 15760, 15968, 19960, 31520, 31936, 39920, 63040, 79840, 98303, 159680, 196606, 393212, 491515, 786424, 983030, 1572848, 1966060, 3145696, 3932120, 6291392, 7864240, 15728480, 31456960]

約数ペア:

[(1, 31456960), (2, 15728480), (4, 7864240), (5, 6291392), (8, 3932120), (10, 3145696), (16, 1966060), (20, 1572848), (32, 983030), (40, 786424), (64, 491515), (80, 393212), (160, 196606), (197, 159680), (320, 98303), (394, 79840), (499, 63040), (788, 39920), (985, 31936), (998, 31520), (1576, 19960), (1970, 15968), (1996, 15760), (2495, 12608), (3152, 9980), (3940, 7984), (3992, 7880), (4990, 6304)]