54720470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{781721}}^1$

素因数の和:781735

約数の個数: 16

約数和(自身を含む): 112567968

約数和(自身を除く): 57847498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 781721, 1563442, 3908605, 5472047, 7817210, 10944094, 27360235, 54720470]

約数ペア:

[(1, 54720470), (2, 27360235), (5, 10944094), (7, 7817210), (10, 5472047), (14, 3908605), (35, 1563442), (70, 781721)]