51157990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30271}}^1$

素因数の和:30304

約数の個数: 24

約数和(自身を含む): 99715968

約数和(自身を除く): 48557978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 30271, 60542, 151355, 302710, 393523, 787046, 1967615, 3935230, 5115799, 10231598, 25578995, 51157990]

約数ペア:

[(1, 51157990), (2, 25578995), (5, 10231598), (10, 5115799), (13, 3935230), (26, 1967615), (65, 787046), (130, 393523), (169, 302710), (338, 151355), (845, 60542), (1690, 30271)]