42065825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 54014400

約数和(自身を除く): 11948575

約数列:

[1, 5, 25, 43, 109, 215, 359, 545, 1075, 1795, 2725, 4687, 8975, 15437, 23435, 39131, 77185, 117175, 195655, 385925, 978275, 1682633, 8413165, 42065825]

約数ペア:

[(1, 42065825), (5, 8413165), (25, 1682633), (43, 978275), (109, 385925), (215, 195655), (359, 117175), (545, 77185), (1075, 39131), (1795, 23435), (2725, 15437), (4687, 8975)]