64051880

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3343}}^1$

素因数の和:3833

約数の個数: 32

約数和(自身を含む): 144460800

約数和(自身を除く): 80408920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3343, 3832, 4790, 6686, 9580, 13372, 16715, 19160, 26744, 33430, 66860, 133720, 1601297, 3202594, 6405188, 8006485, 12810376, 16012970, 32025940, 64051880]

約数ペア:

[(1, 64051880), (2, 32025940), (4, 16012970), (5, 12810376), (8, 8006485), (10, 6405188), (20, 3202594), (40, 1601297), (479, 133720), (958, 66860), (1916, 33430), (2395, 26744), (3343, 19160), (3832, 16715), (4790, 13372), (6686, 9580)]