2521769560

素因数分解:

$2^3\times 5^1\times {\mathrm{3181}}^1\times {\mathrm{19819}}^1$

素因数の和:23011

約数の個数: 32

約数和(自身を含む): 5676051600

約数和(自身を除く): 3154282040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3181, 6362, 12724, 15905, 19819, 25448, 31810, 39638, 63620, 79276, 99095, 127240, 158552, 198190, 396380, 792760, 63044239, 126088478, 252176956, 315221195, 504353912, 630442390, 1260884780, 2521769560]

約数ペア:

[(1, 2521769560), (2, 1260884780), (4, 630442390), (5, 504353912), (8, 315221195), (10, 252176956), (20, 126088478), (40, 63044239), (3181, 792760), (6362, 396380), (12724, 198190), (15905, 158552), (19819, 127240), (25448, 99095), (31810, 79276), (39638, 63620)]