40406560

素因数分解:

$2^5\times 5^1\times {\mathrm{252541}}^1$

素因数の和:252556

約数の個数: 24

約数和(自身を含む): 95460876

約数和(自身を除く): 55054316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 252541, 505082, 1010164, 1262705, 2020328, 2525410, 4040656, 5050820, 8081312, 10101640, 20203280, 40406560]

約数ペア:

[(1, 40406560), (2, 20203280), (4, 10101640), (5, 8081312), (8, 5050820), (10, 4040656), (16, 2525410), (20, 2020328), (32, 1262705), (40, 1010164), (80, 505082), (160, 252541)]