408045553340

素因数分解:

$2^2\times 5^1\times {\mathrm{8221}}^1\times {\mathrm{2481727}}^1$

素因数の和:2489957

約数の個数: 24

約数和(自身を含む): 857000239872

約数和(自身を除く): 448954686532

約数列:

[1, 2, 4, 5, 10, 20, 8221, 16442, 32884, 41105, 82210, 164420, 2481727, 4963454, 9926908, 12408635, 24817270, 49634540, 20402277667, 40804555334, 81609110668, 102011388335, 204022776670, 408045553340]

約数ペア:

[(1, 408045553340), (2, 204022776670), (4, 102011388335), (5, 81609110668), (10, 40804555334), (20, 20402277667), (8221, 49634540), (16442, 24817270), (32884, 12408635), (41105, 9926908), (82210, 4963454), (164420, 2481727)]