13638340

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1753}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 28730520

約数和(自身を除く): 15092180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1753, 1945, 3506, 3890, 7012, 7780, 8765, 17530, 35060, 681917, 1363834, 2727668, 3409585, 6819170, 13638340]

約数ペア:

[(1, 13638340), (2, 6819170), (4, 3409585), (5, 2727668), (10, 1363834), (20, 681917), (389, 35060), (778, 17530), (1556, 8765), (1753, 7780), (1945, 7012), (3506, 3890)]