2586025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 3532760

約数和(自身を除く): 946735

約数列:

[1, 5, 13, 25, 65, 73, 109, 325, 365, 545, 949, 1417, 1825, 2725, 4745, 7085, 7957, 23725, 35425, 39785, 103441, 198925, 517205, 2586025]

約数ペア:

[(1, 2586025), (5, 517205), (13, 198925), (25, 103441), (65, 39785), (73, 35425), (109, 23725), (325, 7957), (365, 7085), (545, 4745), (949, 2725), (1417, 1825)]