53986280

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2099}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 121716000

約数和(自身を除く): 67729720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2099, 2572, 3215, 4198, 5144, 6430, 8396, 10495, 12860, 16792, 20990, 25720, 41980, 83960, 1349657, 2699314, 5398628, 6748285, 10797256, 13496570, 26993140, 53986280]

約数ペア:

[(1, 53986280), (2, 26993140), (4, 13496570), (5, 10797256), (8, 6748285), (10, 5398628), (20, 2699314), (40, 1349657), (643, 83960), (1286, 41980), (2099, 25720), (2572, 20990), (3215, 16792), (4198, 12860), (5144, 10495), (6430, 8396)]