2018040475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{3671}}^1$

素因数の和:5691

約数の個数: 24

約数和(自身を含む): 2731968000

約数和(自身を除く): 713927525

約数列:

[1, 5, 11, 25, 55, 275, 1999, 3671, 9995, 18355, 21989, 40381, 49975, 91775, 109945, 201905, 549725, 1009525, 7338329, 36691645, 80721619, 183458225, 403608095, 2018040475]

約数ペア:

[(1, 2018040475), (5, 403608095), (11, 183458225), (25, 80721619), (55, 36691645), (275, 7338329), (1999, 1009525), (3671, 549725), (9995, 201905), (18355, 109945), (21989, 91775), (40381, 49975)]