40720216

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{124147}}^1$

素因数の和:124194

約数の個数: 16

約数和(自身を含む): 78213240

約数和(自身を除く): 37493024

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 124147, 248294, 496588, 993176, 5090027, 10180054, 20360108, 40720216]

約数ペア:

[(1, 40720216), (2, 20360108), (4, 10180054), (8, 5090027), (41, 993176), (82, 496588), (164, 248294), (328, 124147)]