85890545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 123742080

約数和(自身を除く): 37851535

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4091, 4199, 20455, 20995, 53183, 69547, 77729, 265915, 347735, 388645, 904111, 1010477, 1321393, 4520555, 5052385, 6606965, 17178109, 85890545]

約数ペア:

[(1, 85890545), (5, 17178109), (13, 6606965), (17, 5052385), (19, 4520555), (65, 1321393), (85, 1010477), (95, 904111), (221, 388645), (247, 347735), (323, 265915), (1105, 77729), (1235, 69547), (1615, 53183), (4091, 20995), (4199, 20455)]