66702940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{26261}}^1$

素因数の和:26397

約数の個数: 24

約数和(自身を含む): 141184512

約数和(自身を除く): 74481572

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 26261, 52522, 105044, 131305, 262610, 525220, 3335147, 6670294, 13340588, 16675735, 33351470, 66702940]

約数ペア:

[(1, 66702940), (2, 33351470), (4, 16675735), (5, 13340588), (10, 6670294), (20, 3335147), (127, 525220), (254, 262610), (508, 131305), (635, 105044), (1270, 52522), (2540, 26261)]