201780725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8161}}^1$

素因数の和:8237

約数の個数: 24

約数和(自身を含む): 267191232

約数和(自身を除く): 65410507

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 989, 1075, 4945, 8161, 24725, 40805, 187703, 204025, 350923, 938515, 1754615, 4692575, 8071229, 8773075, 40356145, 201780725]

約数ペア:

[(1, 201780725), (5, 40356145), (23, 8773075), (25, 8071229), (43, 4692575), (115, 1754615), (215, 938515), (575, 350923), (989, 204025), (1075, 187703), (4945, 40805), (8161, 24725)]