40557815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 51519888

約数和(自身を除く): 10962073

約数列:

[1, 5, 41, 43, 107, 205, 215, 535, 1763, 1849, 4387, 4601, 8815, 9245, 21935, 23005, 75809, 188641, 197843, 379045, 943205, 989215, 8111563, 40557815]

約数ペア:

[(1, 40557815), (5, 8111563), (41, 989215), (43, 943205), (107, 379045), (205, 197843), (215, 188641), (535, 75809), (1763, 23005), (1849, 21935), (4387, 9245), (4601, 8815)]