89290280

素因数分解:

$2^3\times 5^1\times {\mathrm{2232257}}^1$

素因数の和:2232268

約数の個数: 16

約数和(自身を含む): 200903220

約数和(自身を除く): 111612940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2232257, 4464514, 8929028, 11161285, 17858056, 22322570, 44645140, 89290280]

約数ペア:

[(1, 89290280), (2, 44645140), (4, 22322570), (5, 17858056), (8, 11161285), (10, 8929028), (20, 4464514), (40, 2232257)]