2016559775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{47701}}^1$

素因数の和:47819

約数の個数: 24

約数和(自身を含む): 2661771600

約数和(自身を除く): 645211825

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 8455, 42275, 47701, 238505, 906319, 1192525, 4245389, 4531595, 21226945, 22657975, 80662391, 106134725, 403311955, 2016559775]

約数ペア:

[(1, 2016559775), (5, 403311955), (19, 106134725), (25, 80662391), (89, 22657975), (95, 21226945), (445, 4531595), (475, 4245389), (1691, 1192525), (2225, 906319), (8455, 238505), (42275, 47701)]