78857920

素因数分解:

$2^6\times 5^1\times {\mathrm{263}}^1\times {\mathrm{937}}^1$

素因数の和:1217

約数の個数: 56

約数和(自身を含む): 188695584

約数和(自身を除く): 109837664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 263, 320, 526, 937, 1052, 1315, 1874, 2104, 2630, 3748, 4208, 4685, 5260, 7496, 8416, 9370, 10520, 14992, 16832, 18740, 21040, 29984, 37480, 42080, 59968, 74960, 84160, 149920, 246431, 299840, 492862, 985724, 1232155, 1971448, 2464310, 3942896, 4928620, 7885792, 9857240, 15771584, 19714480, 39428960, 78857920]

約数ペア:

[(1, 78857920), (2, 39428960), (4, 19714480), (5, 15771584), (8, 9857240), (10, 7885792), (16, 4928620), (20, 3942896), (32, 2464310), (40, 1971448), (64, 1232155), (80, 985724), (160, 492862), (263, 299840), (320, 246431), (526, 149920), (937, 84160), (1052, 74960), (1315, 59968), (1874, 42080), (2104, 37480), (2630, 29984), (3748, 21040), (4208, 18740), (4685, 16832), (5260, 14992), (7496, 10520), (8416, 9370)]