18585520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8011}}^1$

素因数の和:8053

約数の個数: 40

約数和(自身を含む): 44706960

約数和(自身を除く): 26121440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8011, 16022, 32044, 40055, 64088, 80110, 128176, 160220, 232319, 320440, 464638, 640880, 929276, 1161595, 1858552, 2323190, 3717104, 4646380, 9292760, 18585520]

約数ペア:

[(1, 18585520), (2, 9292760), (4, 4646380), (5, 3717104), (8, 2323190), (10, 1858552), (16, 1161595), (20, 929276), (29, 640880), (40, 464638), (58, 320440), (80, 232319), (116, 160220), (145, 128176), (232, 80110), (290, 64088), (464, 40055), (580, 32044), (1160, 16022), (2320, 8011)]