27289420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80263}}^1$

素因数の和:80289

約数の個数: 24

約数和(自身を含む): 60679584

約数和(自身を除く): 33390164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 80263, 160526, 321052, 401315, 802630, 1364471, 1605260, 2728942, 5457884, 6822355, 13644710, 27289420]

約数ペア:

[(1, 27289420), (2, 13644710), (4, 6822355), (5, 5457884), (10, 2728942), (17, 1605260), (20, 1364471), (34, 802630), (68, 401315), (85, 321052), (170, 160526), (340, 80263)]