2878236440

素因数分解:

$2^3\times 5^1\times {\mathrm{71955911}}^1$

素因数の和:71955922

約数の個数: 16

約数和(自身を含む): 6476032080

約数和(自身を除く): 3597795640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71955911, 143911822, 287823644, 359779555, 575647288, 719559110, 1439118220, 2878236440]

約数ペア:

[(1, 2878236440), (2, 1439118220), (4, 719559110), (5, 575647288), (8, 359779555), (10, 287823644), (20, 143911822), (40, 71955911)]