40880216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{393079}}^1$

素因数の和:393098

約数の個数: 16

約数和(自身を含む): 82546800

約数和(自身を除く): 41666584

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 393079, 786158, 1572316, 3144632, 5110027, 10220054, 20440108, 40880216]

約数ペア:

[(1, 40880216), (2, 20440108), (4, 10220054), (8, 5110027), (13, 3144632), (26, 1572316), (52, 786158), (104, 393079)]