90890720

素因数分解:

$2^5\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1009}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 215323920

約数和(自身を除く): 124433200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 563, 1009, 1126, 2018, 2252, 2815, 4036, 4504, 5045, 5630, 8072, 9008, 10090, 11260, 16144, 18016, 20180, 22520, 32288, 40360, 45040, 80720, 90080, 161440, 568067, 1136134, 2272268, 2840335, 4544536, 5680670, 9089072, 11361340, 18178144, 22722680, 45445360, 90890720]

約数ペア:

[(1, 90890720), (2, 45445360), (4, 22722680), (5, 18178144), (8, 11361340), (10, 9089072), (16, 5680670), (20, 4544536), (32, 2840335), (40, 2272268), (80, 1136134), (160, 568067), (563, 161440), (1009, 90080), (1126, 80720), (2018, 45040), (2252, 40360), (2815, 32288), (4036, 22520), (4504, 20180), (5045, 18016), (5630, 16144), (8072, 11260), (9008, 10090)]