40360660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 88083072

約数和(自身を除く): 47722412

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 661, 710, 860, 1322, 1420, 2644, 3053, 3305, 6106, 6610, 12212, 13220, 15265, 28423, 30530, 46931, 56846, 61060, 93862, 113692, 142115, 187724, 234655, 284230, 469310, 568460, 938620, 2018033, 4036066, 8072132, 10090165, 20180330, 40360660]

約数ペア:

[(1, 40360660), (2, 20180330), (4, 10090165), (5, 8072132), (10, 4036066), (20, 2018033), (43, 938620), (71, 568460), (86, 469310), (142, 284230), (172, 234655), (215, 187724), (284, 142115), (355, 113692), (430, 93862), (661, 61060), (710, 56846), (860, 46931), (1322, 30530), (1420, 28423), (2644, 15265), (3053, 13220), (3305, 12212), (6106, 6610)]