2215492880

素因数分解:

$2^4\times 5^1\times {\mathrm{27693661}}^1$

素因数の和:27693674

約数の個数: 20

約数和(自身を含む): 5151021132

約数和(自身を除く): 2935528252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27693661, 55387322, 110774644, 138468305, 221549288, 276936610, 443098576, 553873220, 1107746440, 2215492880]

約数ペア:

[(1, 2215492880), (2, 1107746440), (4, 553873220), (5, 443098576), (8, 276936610), (10, 221549288), (16, 138468305), (20, 110774644), (40, 55387322), (80, 27693661)]