40395485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 15488035

約数列:

[1, 5, 13, 17, 65, 85, 139, 221, 263, 695, 1105, 1315, 1807, 2363, 3419, 4471, 9035, 11815, 17095, 22355, 30719, 36557, 58123, 153595, 182785, 290615, 475241, 621469, 2376205, 3107345, 8079097, 40395485]

約数ペア:

[(1, 40395485), (5, 8079097), (13, 3107345), (17, 2376205), (65, 621469), (85, 475241), (139, 290615), (221, 182785), (263, 153595), (695, 58123), (1105, 36557), (1315, 30719), (1807, 22355), (2363, 17095), (3419, 11815), (4471, 9035)]