71028340

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12821}}^1$

素因数の和:13107

約数の個数: 24

約数和(自身を含む): 149709672

約数和(自身を除く): 78681332

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 12821, 25642, 51284, 64105, 128210, 256420, 3551417, 7102834, 14205668, 17757085, 35514170, 71028340]

約数ペア:

[(1, 71028340), (2, 35514170), (4, 17757085), (5, 14205668), (10, 7102834), (20, 3551417), (277, 256420), (554, 128210), (1108, 64105), (1385, 51284), (2770, 25642), (5540, 12821)]