90028985

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{5003}}^1$

素因数の和:5128

約数の個数: 16

約数和(自身を含む): 111689280

約数和(自身を除く): 21660295

約数列:

[1, 5, 59, 61, 295, 305, 3599, 5003, 17995, 25015, 295177, 305183, 1475885, 1525915, 18005797, 90028985]

約数ペア:

[(1, 90028985), (5, 18005797), (59, 1525915), (61, 1475885), (295, 305183), (305, 295177), (3599, 25015), (5003, 17995)]