154065880

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5827}}^1$

素因数の和:6499

約数の個数: 32

約数和(自身を含む): 347232240

約数和(自身を除く): 193166360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 5827, 6610, 11654, 13220, 23308, 26440, 29135, 46616, 58270, 116540, 233080, 3851647, 7703294, 15406588, 19258235, 30813176, 38516470, 77032940, 154065880]

約数ペア:

[(1, 154065880), (2, 77032940), (4, 38516470), (5, 30813176), (8, 19258235), (10, 15406588), (20, 7703294), (40, 3851647), (661, 233080), (1322, 116540), (2644, 58270), (3305, 46616), (5288, 29135), (5827, 26440), (6610, 23308), (11654, 13220)]