80990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:116

約数の個数: 32

約数和(自身を含む): 181440

約数和(自身を除く): 100450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 445, 455, 623, 890, 910, 1157, 1246, 2314, 3115, 5785, 6230, 8099, 11570, 16198, 40495, 80990]

約数ペア:

[(1, 80990), (2, 40495), (5, 16198), (7, 11570), (10, 8099), (13, 6230), (14, 5785), (26, 3115), (35, 2314), (65, 1246), (70, 1157), (89, 910), (91, 890), (130, 623), (178, 455), (182, 445)]