64162940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25261}}^1$

素因数の和:25397

約数の個数: 24

約数和(自身を含む): 135808512

約数和(自身を除く): 71645572

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 25261, 50522, 101044, 126305, 252610, 505220, 3208147, 6416294, 12832588, 16040735, 32081470, 64162940]

約数ペア:

[(1, 64162940), (2, 32081470), (4, 16040735), (5, 12832588), (10, 6416294), (20, 3208147), (127, 505220), (254, 252610), (508, 126305), (635, 101044), (1270, 50522), (2540, 25261)]