40357648

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{11311}}^1$

素因数の和:11542

約数の個数: 20

約数和(自身を含む): 78550528

約数和(自身を除く): 38192880

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 11311, 22622, 45244, 90488, 180976, 2522353, 5044706, 10089412, 20178824, 40357648]

約数ペア:

[(1, 40357648), (2, 20178824), (4, 10089412), (8, 5044706), (16, 2522353), (223, 180976), (446, 90488), (892, 45244), (1784, 22622), (3568, 11311)]