131566040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{3911}}^1$

素因数の和:3980

約数の個数: 48

約数和(自身を含む): 306661680

約数和(自身を除く): 175095640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 3364, 3911, 4205, 6728, 7822, 8410, 15644, 16820, 19555, 31288, 33640, 39110, 78220, 113419, 156440, 226838, 453676, 567095, 907352, 1134190, 2268380, 3289151, 4536760, 6578302, 13156604, 16445755, 26313208, 32891510, 65783020, 131566040]

約数ペア:

[(1, 131566040), (2, 65783020), (4, 32891510), (5, 26313208), (8, 16445755), (10, 13156604), (20, 6578302), (29, 4536760), (40, 3289151), (58, 2268380), (116, 1134190), (145, 907352), (232, 567095), (290, 453676), (580, 226838), (841, 156440), (1160, 113419), (1682, 78220), (3364, 39110), (3911, 33640), (4205, 31288), (6728, 19555), (7822, 16820), (8410, 15644)]