77956880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10949}}^1$

素因数の和:11051

約数の個数: 40

約数和(自身を含む): 183303000

約数和(自身を除く): 105346120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10949, 21898, 43796, 54745, 87592, 109490, 175184, 218980, 437960, 875920, 974461, 1948922, 3897844, 4872305, 7795688, 9744610, 15591376, 19489220, 38978440, 77956880]

約数ペア:

[(1, 77956880), (2, 38978440), (4, 19489220), (5, 15591376), (8, 9744610), (10, 7795688), (16, 4872305), (20, 3897844), (40, 1948922), (80, 974461), (89, 875920), (178, 437960), (356, 218980), (445, 175184), (712, 109490), (890, 87592), (1424, 54745), (1780, 43796), (3560, 21898), (7120, 10949)]