70981880

素因数分解:

$2^3\times 5^1\times {\mathrm{1774547}}^1$

素因数の和:1774558

約数の個数: 16

約数和(自身を含む): 159709320

約数和(自身を除く): 88727440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1774547, 3549094, 7098188, 8872735, 14196376, 17745470, 35490940, 70981880]

約数ペア:

[(1, 70981880), (2, 35490940), (4, 17745470), (5, 14196376), (8, 8872735), (10, 7098188), (20, 3549094), (40, 1774547)]