64566740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461191}}^1$

素因数の和:461207

約数の個数: 24

約数和(自身を含む): 154960512

約数和(自身を除く): 90393772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461191, 922382, 1844764, 2305955, 3228337, 4611910, 6456674, 9223820, 12913348, 16141685, 32283370, 64566740]

約数ペア:

[(1, 64566740), (2, 32283370), (4, 16141685), (5, 12913348), (7, 9223820), (10, 6456674), (14, 4611910), (20, 3228337), (28, 2305955), (35, 1844764), (70, 922382), (140, 461191)]