80989616

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{46439}}^1$

素因数の和:46556

約数の個数: 20

約数和(自身を含む): 158360400

約数和(自身を除く): 77370784

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 46439, 92878, 185756, 371512, 743024, 5061851, 10123702, 20247404, 40494808, 80989616]

約数ペア:

[(1, 80989616), (2, 40494808), (4, 20247404), (8, 10123702), (16, 5061851), (109, 743024), (218, 371512), (436, 185756), (872, 92878), (1744, 46439)]