56409520

素因数分解:

$2^4\times 5^1\times {\mathrm{705119}}^1$

素因数の和:705132

約数の個数: 20

約数和(自身を含む): 131152320

約数和(自身を除く): 74742800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 705119, 1410238, 2820476, 3525595, 5640952, 7051190, 11281904, 14102380, 28204760, 56409520]

約数ペア:

[(1, 56409520), (2, 28204760), (4, 14102380), (5, 11281904), (8, 7051190), (10, 5640952), (16, 3525595), (20, 2820476), (40, 1410238), (80, 705119)]