2079887536

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{65029}}^1$

素因数の和:67036

約数の個数: 20

約数和(自身を含む): 4031860000

約数和(自身を除く): 1951972464

約数列:

[1, 2, 4, 8, 16, 1999, 3998, 7996, 15992, 31984, 65029, 130058, 260116, 520232, 1040464, 129992971, 259985942, 519971884, 1039943768, 2079887536]

約数ペア:

[(1, 2079887536), (2, 1039943768), (4, 519971884), (8, 259985942), (16, 129992971), (1999, 1040464), (3998, 520232), (7996, 260116), (15992, 130058), (31984, 65029)]