40920784

素因数分解:

$2^4\times {\mathrm{1229}}^1\times {\mathrm{2081}}^1$

素因数の和:3318

約数の個数: 20

約数和(自身を含む): 79386660

約数和(自身を除く): 38465876

約数列:

[1, 2, 4, 8, 16, 1229, 2081, 2458, 4162, 4916, 8324, 9832, 16648, 19664, 33296, 2557549, 5115098, 10230196, 20460392, 40920784]

約数ペア:

[(1, 40920784), (2, 20460392), (4, 10230196), (8, 5115098), (16, 2557549), (1229, 33296), (2081, 19664), (2458, 16648), (4162, 9832), (4916, 8324)]