27983440

素因数分解:

$2^4\times 5^1\times {\mathrm{349793}}^1$

素因数の和:349806

約数の個数: 20

約数和(自身を含む): 65061684

約数和(自身を除く): 37078244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349793, 699586, 1399172, 1748965, 2798344, 3497930, 5596688, 6995860, 13991720, 27983440]

約数ペア:

[(1, 27983440), (2, 13991720), (4, 6995860), (5, 5596688), (8, 3497930), (10, 2798344), (16, 1748965), (20, 1399172), (40, 699586), (80, 349793)]