1921355440

素因数分解:

$2^4\times 5^1\times {\mathrm{24016943}}^1$

素因数の和:24016956

約数の個数: 20

約数和(自身を含む): 4467151584

約数和(自身を除く): 2545796144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24016943, 48033886, 96067772, 120084715, 192135544, 240169430, 384271088, 480338860, 960677720, 1921355440]

約数ペア:

[(1, 1921355440), (2, 960677720), (4, 480338860), (5, 384271088), (8, 240169430), (10, 192135544), (16, 120084715), (20, 96067772), (40, 48033886), (80, 24016943)]