40199915

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 59043840

約数和(自身を除く): 18843925

約数列:

[1, 5, 7, 19, 35, 61, 95, 133, 305, 427, 665, 991, 1159, 2135, 4955, 5795, 6937, 8113, 18829, 34685, 40565, 60451, 94145, 131803, 302255, 423157, 659015, 1148569, 2115785, 5742845, 8039983, 40199915]

約数ペア:

[(1, 40199915), (5, 8039983), (7, 5742845), (19, 2115785), (35, 1148569), (61, 659015), (95, 423157), (133, 302255), (305, 131803), (427, 94145), (665, 60451), (991, 40565), (1159, 34685), (2135, 18829), (4955, 8113), (5795, 6937)]