164019040

素因数分解:

$2^5\times 5^1\times {\mathrm{1025119}}^1$

素因数の和:1025134

約数の個数: 24

約数和(自身を含む): 387495360

約数和(自身を除く): 223476320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1025119, 2050238, 4100476, 5125595, 8200952, 10251190, 16401904, 20502380, 32803808, 41004760, 82009520, 164019040]

約数ペア:

[(1, 164019040), (2, 82009520), (4, 41004760), (5, 32803808), (8, 20502380), (10, 16401904), (16, 10251190), (20, 8200952), (32, 5125595), (40, 4100476), (80, 2050238), (160, 1025119)]