89915440

素因数分解:

$2^4\times 5^1\times {\mathrm{1123943}}^1$

素因数の和:1123956

約数の個数: 20

約数和(自身を含む): 209053584

約数和(自身を除く): 119138144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123943, 2247886, 4495772, 5619715, 8991544, 11239430, 17983088, 22478860, 44957720, 89915440]

約数ペア:

[(1, 89915440), (2, 44957720), (4, 22478860), (5, 17983088), (8, 11239430), (10, 8991544), (16, 5619715), (20, 4495772), (40, 2247886), (80, 1123943)]