145605080

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5507}}^1$

素因数の和:6179

約数の個数: 32

約数和(自身を含む): 328166640

約数和(自身を除く): 182561560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 5507, 6610, 11014, 13220, 22028, 26440, 27535, 44056, 55070, 110140, 220280, 3640127, 7280254, 14560508, 18200635, 29121016, 36401270, 72802540, 145605080]

約数ペア:

[(1, 145605080), (2, 72802540), (4, 36401270), (5, 29121016), (8, 18200635), (10, 14560508), (20, 7280254), (40, 3640127), (661, 220280), (1322, 110140), (2644, 55070), (3305, 44056), (5288, 27535), (5507, 26440), (6610, 22028), (11014, 13220)]