8976996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{78649}}^1$

素因数の和:79110

約数の個数: 48

約数和(自身を含む): 20348328000

約数和(自身を除く): 11371331140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 878, 1756, 2195, 4390, 5707, 8780, 11414, 22828, 28535, 57070, 78649, 114140, 157298, 314596, 393245, 786490, 1022437, 1572980, 2044874, 4089748, 5112185, 10224370, 20448740, 34526911, 69053822, 138107644, 172634555, 345269110, 448849843, 690538220, 897699686, 1795399372, 2244249215, 4488498430, 8976996860]

約数ペア:

[(1, 8976996860), (2, 4488498430), (4, 2244249215), (5, 1795399372), (10, 897699686), (13, 690538220), (20, 448849843), (26, 345269110), (52, 172634555), (65, 138107644), (130, 69053822), (260, 34526911), (439, 20448740), (878, 10224370), (1756, 5112185), (2195, 4089748), (4390, 2044874), (5707, 1572980), (8780, 1022437), (11414, 786490), (22828, 393245), (28535, 314596), (57070, 157298), (78649, 114140)]