87887440

素因数分解:

$2^4\times 5^1\times {\mathrm{1098593}}^1$

素因数の和:1098606

約数の個数: 20

約数和(自身を含む): 204338484

約数和(自身を除く): 116451044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1098593, 2197186, 4394372, 5492965, 8788744, 10985930, 17577488, 21971860, 43943720, 87887440]

約数ペア:

[(1, 87887440), (2, 43943720), (4, 21971860), (5, 17577488), (8, 10985930), (10, 8788744), (16, 5492965), (20, 4394372), (40, 2197186), (80, 1098593)]