70555640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19819}}^1$

素因数の和:19919

約数の個数: 32

約数和(自身を含む): 160542000

約数和(自身を除く): 89986360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19819, 39638, 79276, 99095, 158552, 198190, 396380, 792760, 1763891, 3527782, 7055564, 8819455, 14111128, 17638910, 35277820, 70555640]

約数ペア:

[(1, 70555640), (2, 35277820), (4, 17638910), (5, 14111128), (8, 8819455), (10, 7055564), (20, 3527782), (40, 1763891), (89, 792760), (178, 396380), (356, 198190), (445, 158552), (712, 99095), (890, 79276), (1780, 39638), (3560, 19819)]