31042120

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4021}}^1$

素因数の和:4225

約数の個数: 32

約数和(自身を含む): 70224120

約数和(自身を除く): 39182000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 4021, 7720, 8042, 16084, 20105, 32168, 40210, 80420, 160840, 776053, 1552106, 3104212, 3880265, 6208424, 7760530, 15521060, 31042120]

約数ペア:

[(1, 31042120), (2, 15521060), (4, 7760530), (5, 6208424), (8, 3880265), (10, 3104212), (20, 1552106), (40, 776053), (193, 160840), (386, 80420), (772, 40210), (965, 32168), (1544, 20105), (1930, 16084), (3860, 8042), (4021, 7720)]