20131309075

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{3643}}^1\times {\mathrm{4703}}^1$

素因数の和:8403

約数の個数: 24

約数和(自身を含む): 25506367488

約数和(自身を除く): 5375058413

約数列:

[1, 5, 25, 47, 235, 1175, 3643, 4703, 18215, 23515, 91075, 117575, 171221, 221041, 856105, 1105205, 4280525, 5526025, 17133029, 85665145, 428325725, 805252363, 4026261815, 20131309075]

約数ペア:

[(1, 20131309075), (5, 4026261815), (25, 805252363), (47, 428325725), (235, 85665145), (1175, 17133029), (3643, 5526025), (4703, 4280525), (18215, 1105205), (23515, 856105), (91075, 221041), (117575, 171221)]