64620530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{38237}}^1$

素因数の和:38270

約数の個数: 24

約数和(自身を含む): 125955972

約数和(自身を除く): 61335442

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 38237, 76474, 191185, 382370, 497081, 994162, 2485405, 4970810, 6462053, 12924106, 32310265, 64620530]

約数ペア:

[(1, 64620530), (2, 32310265), (5, 12924106), (10, 6462053), (13, 4970810), (26, 2485405), (65, 994162), (130, 497081), (169, 382370), (338, 191185), (845, 76474), (1690, 38237)]