61452880

素因数分解:

$2^4\times 5^1\times {\mathrm{768161}}^1$

素因数の和:768174

約数の個数: 20

約数和(自身を含む): 142878132

約数和(自身を除く): 81425252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 768161, 1536322, 3072644, 3840805, 6145288, 7681610, 12290576, 15363220, 30726440, 61452880]

約数ペア:

[(1, 61452880), (2, 30726440), (4, 15363220), (5, 12290576), (8, 7681610), (10, 6145288), (16, 3840805), (20, 3072644), (40, 1536322), (80, 768161)]