76972880

素因数分解:

$2^4\times 5^1\times {\mathrm{962161}}^1$

素因数の和:962174

約数の個数: 20

約数和(自身を含む): 178962132

約数和(自身を除く): 101989252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 962161, 1924322, 3848644, 4810805, 7697288, 9621610, 15394576, 19243220, 38486440, 76972880]

約数ペア:

[(1, 76972880), (2, 38486440), (4, 19243220), (5, 15394576), (8, 9621610), (10, 7697288), (16, 4810805), (20, 3848644), (40, 1924322), (80, 962161)]