42001325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 54014400

約数和(自身を除く): 12013075

約数列:

[1, 5, 25, 43, 89, 215, 439, 445, 1075, 2195, 2225, 3827, 10975, 18877, 19135, 39071, 94385, 95675, 195355, 471925, 976775, 1680053, 8400265, 42001325]

約数ペア:

[(1, 42001325), (5, 8400265), (25, 1680053), (43, 976775), (89, 471925), (215, 195355), (439, 95675), (445, 94385), (1075, 39071), (2195, 19135), (2225, 18877), (3827, 10975)]