40345180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1091}}^1$

素因数の和:1186

約数の個数: 36

約数和(自身を含む): 86820552

約数和(自身を除く): 46475372

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1091, 1849, 2182, 3698, 4364, 5455, 7396, 9245, 10910, 18490, 21820, 36980, 46913, 93826, 187652, 234565, 469130, 938260, 2017259, 4034518, 8069036, 10086295, 20172590, 40345180]

約数ペア:

[(1, 40345180), (2, 20172590), (4, 10086295), (5, 8069036), (10, 4034518), (20, 2017259), (43, 938260), (86, 469130), (172, 234565), (215, 187652), (430, 93826), (860, 46913), (1091, 36980), (1849, 21820), (2182, 18490), (3698, 10910), (4364, 9245), (5455, 7396)]