66006940

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{5101}}^1$

素因数の和:5757

約数の個数: 24

約数和(自身を含む): 138856032

約数和(自身を除く): 72849092

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 5101, 6470, 10202, 12940, 20404, 25505, 51010, 102020, 3300347, 6600694, 13201388, 16501735, 33003470, 66006940]

約数ペア:

[(1, 66006940), (2, 33003470), (4, 16501735), (5, 13201388), (10, 6600694), (20, 3300347), (647, 102020), (1294, 51010), (2588, 25505), (3235, 20404), (5101, 12940), (6470, 10202)]