28907870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{70507}}^1$

素因数の和:70555

約数の個数: 16

約数和(自身を含む): 53304048

約数和(自身を除く): 24396178

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 70507, 141014, 352535, 705070, 2890787, 5781574, 14453935, 28907870]

約数ペア:

[(1, 28907870), (2, 14453935), (5, 5781574), (10, 2890787), (41, 705070), (82, 352535), (205, 141014), (410, 70507)]