887440

素因数分解:

$2^4\times 5^1\times {\mathrm{11093}}^1$

素因数の和:11106

約数の個数: 20

約数和(自身を含む): 2063484

約数和(自身を除く): 1176044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11093, 22186, 44372, 55465, 88744, 110930, 177488, 221860, 443720, 887440]

約数ペア:

[(1, 887440), (2, 443720), (4, 221860), (5, 177488), (8, 110930), (10, 88744), (16, 55465), (20, 44372), (40, 22186), (80, 11093)]