42220945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 60842880

約数和(自身を除く): 18621935

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 2011, 4199, 10055, 20995, 26143, 34187, 38209, 130715, 170935, 191045, 444431, 496717, 649553, 2222155, 2483585, 3247765, 8444189, 42220945]

約数ペア:

[(1, 42220945), (5, 8444189), (13, 3247765), (17, 2483585), (19, 2222155), (65, 649553), (85, 496717), (95, 444431), (221, 191045), (247, 170935), (323, 130715), (1105, 38209), (1235, 34187), (1615, 26143), (2011, 20995), (4199, 10055)]