81323810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{74609}}^1$

素因数の和:74725

約数の個数: 16

約数和(自身を含む): 147727800

約数和(自身を除く): 66403990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 74609, 149218, 373045, 746090, 8132381, 16264762, 40661905, 81323810]

約数ペア:

[(1, 81323810), (2, 40661905), (5, 16264762), (10, 8132381), (109, 746090), (218, 373045), (545, 149218), (1090, 74609)]