201012880

素因数分解:

$2^4\times 5^1\times {\mathrm{2512661}}^1$

素因数の和:2512674

約数の個数: 20

約数和(自身を含む): 467355132

約数和(自身を除く): 266342252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2512661, 5025322, 10050644, 12563305, 20101288, 25126610, 40202576, 50253220, 100506440, 201012880]

約数ペア:

[(1, 201012880), (2, 100506440), (4, 50253220), (5, 40202576), (8, 25126610), (10, 20101288), (16, 12563305), (20, 10050644), (40, 5025322), (80, 2512661)]