208742920

素因数分解:

$2^3\times 5^1\times {\mathrm{5218573}}^1$

素因数の和:5218584

約数の個数: 16

約数和(自身を含む): 469671660

約数和(自身を除く): 260928740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5218573, 10437146, 20874292, 26092865, 41748584, 52185730, 104371460, 208742920]

約数ペア:

[(1, 208742920), (2, 104371460), (4, 52185730), (5, 41748584), (8, 26092865), (10, 20874292), (20, 10437146), (40, 5218573)]