89156120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31393}}^1$

素因数の和:31475

約数の個数: 32

約数和(自身を含む): 203433120

約数和(自身を除く): 114277000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 31393, 62786, 125572, 156965, 251144, 313930, 627860, 1255720, 2228903, 4457806, 8915612, 11144515, 17831224, 22289030, 44578060, 89156120]

約数ペア:

[(1, 89156120), (2, 44578060), (4, 22289030), (5, 17831224), (8, 11144515), (10, 8915612), (20, 4457806), (40, 2228903), (71, 1255720), (142, 627860), (284, 313930), (355, 251144), (568, 156965), (710, 125572), (1420, 62786), (2840, 31393)]