77409680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18257}}^1$

素因数の和:18323

約数の個数: 40

約数和(自身を含む): 183383352

約数和(自身を除く): 105973672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 18257, 36514, 73028, 91285, 146056, 182570, 292112, 365140, 730280, 967621, 1460560, 1935242, 3870484, 4838105, 7740968, 9676210, 15481936, 19352420, 38704840, 77409680]

約数ペア:

[(1, 77409680), (2, 38704840), (4, 19352420), (5, 15481936), (8, 9676210), (10, 7740968), (16, 4838105), (20, 3870484), (40, 1935242), (53, 1460560), (80, 967621), (106, 730280), (212, 365140), (265, 292112), (424, 182570), (530, 146056), (848, 91285), (1060, 73028), (2120, 36514), (4240, 18257)]