248506520

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{4703}}^1$

素因数の和:6035

約数の個数: 32

約数和(自身を含む): 559681920

約数和(自身を除く): 311175400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 2642, 4703, 5284, 6605, 9406, 10568, 13210, 18812, 23515, 26420, 37624, 47030, 52840, 94060, 188120, 6212663, 12425326, 24850652, 31063315, 49701304, 62126630, 124253260, 248506520]

約数ペア:

[(1, 248506520), (2, 124253260), (4, 62126630), (5, 49701304), (8, 31063315), (10, 24850652), (20, 12425326), (40, 6212663), (1321, 188120), (2642, 94060), (4703, 52840), (5284, 47030), (6605, 37624), (9406, 26420), (10568, 23515), (13210, 18812)]