129296120

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10529}}^1$

素因数の和:10847

約数の個数: 32

約数和(自身を含む): 291891600

約数和(自身を除く): 162595480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 10529, 12280, 21058, 42116, 52645, 84232, 105290, 210580, 421160, 3232403, 6464806, 12929612, 16162015, 25859224, 32324030, 64648060, 129296120]

約数ペア:

[(1, 129296120), (2, 64648060), (4, 32324030), (5, 25859224), (8, 16162015), (10, 12929612), (20, 6464806), (40, 3232403), (307, 421160), (614, 210580), (1228, 105290), (1535, 84232), (2456, 52645), (3070, 42116), (6140, 21058), (10529, 12280)]