9980048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47981}}^1$

素因数の和:48002

約数の個数: 20

約数和(自身を含む): 20824188

約数和(自身を除く): 10844140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 47981, 95962, 191924, 383848, 623753, 767696, 1247506, 2495012, 4990024, 9980048]

約数ペア:

[(1, 9980048), (2, 4990024), (4, 2495012), (8, 1247506), (13, 767696), (16, 623753), (26, 383848), (52, 191924), (104, 95962), (208, 47981)]