131054120

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{7297}}^1$

素因数の和:7757

約数の個数: 32

約数和(自身を含む): 295569000

約数和(自身を除く): 164514880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 7297, 8980, 14594, 17960, 29188, 36485, 58376, 72970, 145940, 291880, 3276353, 6552706, 13105412, 16381765, 26210824, 32763530, 65527060, 131054120]

約数ペア:

[(1, 131054120), (2, 65527060), (4, 32763530), (5, 26210824), (8, 16381765), (10, 13105412), (20, 6552706), (40, 3276353), (449, 291880), (898, 145940), (1796, 72970), (2245, 58376), (3592, 36485), (4490, 29188), (7297, 17960), (8980, 14594)]