61026640

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2161}}^1$

素因数の和:2527

約数の個数: 40

約数和(自身を含む): 142354728

約数和(自身を除く): 81328088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2161, 2824, 3530, 4322, 5648, 7060, 8644, 10805, 14120, 17288, 21610, 28240, 34576, 43220, 86440, 172880, 762833, 1525666, 3051332, 3814165, 6102664, 7628330, 12205328, 15256660, 30513320, 61026640]

約数ペア:

[(1, 61026640), (2, 30513320), (4, 15256660), (5, 12205328), (8, 7628330), (10, 6102664), (16, 3814165), (20, 3051332), (40, 1525666), (80, 762833), (353, 172880), (706, 86440), (1412, 43220), (1765, 34576), (2161, 28240), (2824, 21610), (3530, 17288), (4322, 14120), (5648, 10805), (7060, 8644)]