1812680

素因数分解:

$2^3\times 5^1\times {\mathrm{45317}}^1$

素因数の和:45328

約数の個数: 16

約数和(自身を含む): 4078620

約数和(自身を除く): 2265940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45317, 90634, 181268, 226585, 362536, 453170, 906340, 1812680]

約数ペア:

[(1, 1812680), (2, 906340), (4, 453170), (5, 362536), (8, 226585), (10, 181268), (20, 90634), (40, 45317)]