64742060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 139345920

約数和(自身を除く): 74603860

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 359, 508, 635, 710, 718, 1270, 1420, 1436, 1795, 2540, 3590, 7180, 9017, 18034, 25489, 36068, 45085, 45593, 50978, 90170, 91186, 101956, 127445, 180340, 182372, 227965, 254890, 455930, 509780, 911860, 3237103, 6474206, 12948412, 16185515, 32371030, 64742060]

約数ペア:

[(1, 64742060), (2, 32371030), (4, 16185515), (5, 12948412), (10, 6474206), (20, 3237103), (71, 911860), (127, 509780), (142, 455930), (254, 254890), (284, 227965), (355, 182372), (359, 180340), (508, 127445), (635, 101956), (710, 91186), (718, 90170), (1270, 50978), (1420, 45593), (1436, 45085), (1795, 36068), (2540, 25489), (3590, 18034), (7180, 9017)]