201972880

素因数分解:

$2^4\times 5^1\times {\mathrm{2524661}}^1$

素因数の和:2524674

約数の個数: 20

約数和(自身を含む): 469587132

約数和(自身を除く): 267614252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524661, 5049322, 10098644, 12623305, 20197288, 25246610, 40394576, 50493220, 100986440, 201972880]

約数ペア:

[(1, 201972880), (2, 100986440), (4, 50493220), (5, 40394576), (8, 25246610), (10, 20197288), (16, 12623305), (20, 10098644), (40, 5049322), (80, 2524661)]