25961680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7547}}^1$

素因数の和:7603

約数の個数: 40

約数和(自身を含む): 61772832

約数和(自身を除く): 35811152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7547, 15094, 30188, 37735, 60376, 75470, 120752, 150940, 301880, 324521, 603760, 649042, 1298084, 1622605, 2596168, 3245210, 5192336, 6490420, 12980840, 25961680]

約数ペア:

[(1, 25961680), (2, 12980840), (4, 6490420), (5, 5192336), (8, 3245210), (10, 2596168), (16, 1622605), (20, 1298084), (40, 649042), (43, 603760), (80, 324521), (86, 301880), (172, 150940), (215, 120752), (344, 75470), (430, 60376), (688, 37735), (860, 30188), (1720, 15094), (3440, 7547)]