86542520

素因数分解:

$2^3\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1663}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 194987520

約数和(自身を除く): 108445000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1301, 1663, 2602, 3326, 5204, 6505, 6652, 8315, 10408, 13010, 13304, 16630, 26020, 33260, 52040, 66520, 2163563, 4327126, 8654252, 10817815, 17308504, 21635630, 43271260, 86542520]

約数ペア:

[(1, 86542520), (2, 43271260), (4, 21635630), (5, 17308504), (8, 10817815), (10, 8654252), (20, 4327126), (40, 2163563), (1301, 66520), (1663, 52040), (2602, 33260), (3326, 26020), (5204, 16630), (6505, 13304), (6652, 13010), (8315, 10408)]