9889480

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{541}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 22341240

約数和(自身を除く): 12451760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 541, 914, 1082, 1828, 2164, 2285, 2705, 3656, 4328, 4570, 5410, 9140, 10820, 18280, 21640, 247237, 494474, 988948, 1236185, 1977896, 2472370, 4944740, 9889480]

約数ペア:

[(1, 9889480), (2, 4944740), (4, 2472370), (5, 1977896), (8, 1236185), (10, 988948), (20, 494474), (40, 247237), (457, 21640), (541, 18280), (914, 10820), (1082, 9140), (1828, 5410), (2164, 4570), (2285, 4328), (2705, 3656)]