40520438

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{12979}}^1$

素因数の和:13211

約数の個数: 16

約数和(自身を含む): 69780480

約数和(自身を除く): 29260042

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 12979, 25958, 90853, 181706, 2894317, 5788634, 20260219, 40520438]

約数ペア:

[(1, 40520438), (2, 20260219), (7, 5788634), (14, 2894317), (223, 181706), (446, 90853), (1561, 25958), (3122, 12979)]