131601680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{235003}}^1$

素因数の和:235023

約数の個数: 40

約数和(自身を含む): 349685952

約数和(自身を除く): 218084272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 235003, 470006, 940012, 1175015, 1645021, 1880024, 2350030, 3290042, 3760048, 4700060, 6580084, 8225105, 9400120, 13160168, 16450210, 18800240, 26320336, 32900420, 65800840, 131601680]

約数ペア:

[(1, 131601680), (2, 65800840), (4, 32900420), (5, 26320336), (7, 18800240), (8, 16450210), (10, 13160168), (14, 9400120), (16, 8225105), (20, 6580084), (28, 4700060), (35, 3760048), (40, 3290042), (56, 2350030), (70, 1880024), (80, 1645021), (112, 1175015), (140, 940012), (280, 470006), (560, 235003)]