90768880

素因数分解:

$2^4\times 5^1\times {\mathrm{1134611}}^1$

素因数の和:1134624

約数の個数: 20

約数和(自身を含む): 211037832

約数和(自身を除く): 120268952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1134611, 2269222, 4538444, 5673055, 9076888, 11346110, 18153776, 22692220, 45384440, 90768880]

約数ペア:

[(1, 90768880), (2, 45384440), (4, 22692220), (5, 18153776), (8, 11346110), (10, 9076888), (16, 5673055), (20, 4538444), (40, 2269222), (80, 1134611)]