1940781680

素因数分解:

$2^4\times 5^1\times {\mathrm{24259771}}^1$

素因数の和:24259784

約数の個数: 20

約数和(自身を含む): 4512317592

約数和(自身を除く): 2571535912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24259771, 48519542, 97039084, 121298855, 194078168, 242597710, 388156336, 485195420, 970390840, 1940781680]

約数ペア:

[(1, 1940781680), (2, 970390840), (4, 485195420), (5, 388156336), (8, 242597710), (10, 194078168), (16, 121298855), (20, 97039084), (40, 48519542), (80, 24259771)]