28525760

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1033

約数の個数: 56

約数和(自身を含む): 68701920

約数和(自身を除く): 40176160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 919, 970, 1552, 1838, 1940, 3104, 3676, 3880, 4595, 6208, 7352, 7760, 9190, 14704, 15520, 18380, 29408, 31040, 36760, 58816, 73520, 89143, 147040, 178286, 294080, 356572, 445715, 713144, 891430, 1426288, 1782860, 2852576, 3565720, 5705152, 7131440, 14262880, 28525760]

約数ペア:

[(1, 28525760), (2, 14262880), (4, 7131440), (5, 5705152), (8, 3565720), (10, 2852576), (16, 1782860), (20, 1426288), (32, 891430), (40, 713144), (64, 445715), (80, 356572), (97, 294080), (160, 178286), (194, 147040), (320, 89143), (388, 73520), (485, 58816), (776, 36760), (919, 31040), (970, 29408), (1552, 18380), (1838, 15520), (1940, 14704), (3104, 9190), (3676, 7760), (3880, 7352), (4595, 6208)]