51360790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30391}}^1$

素因数の和:30424

約数の個数: 24

約数和(自身を含む): 100111248

約数和(自身を除く): 48750458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 30391, 60782, 151955, 303910, 395083, 790166, 1975415, 3950830, 5136079, 10272158, 25680395, 51360790]

約数ペア:

[(1, 51360790), (2, 25680395), (5, 10272158), (10, 5136079), (13, 3950830), (26, 1975415), (65, 790166), (130, 395083), (169, 303910), (338, 151955), (845, 60782), (1690, 30391)]