85858120

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4217}}^1$

素因数の和:4737

約数の個数: 32

約数和(自身を含む): 193606200

約数和(自身を除く): 107748080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 4217, 5090, 8434, 10180, 16868, 20360, 21085, 33736, 42170, 84340, 168680, 2146453, 4292906, 8585812, 10732265, 17171624, 21464530, 42929060, 85858120]

約数ペア:

[(1, 85858120), (2, 42929060), (4, 21464530), (5, 17171624), (8, 10732265), (10, 8585812), (20, 4292906), (40, 2146453), (509, 168680), (1018, 84340), (2036, 42170), (2545, 33736), (4072, 21085), (4217, 20360), (5090, 16868), (8434, 10180)]