128469820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{95873}}^1$

素因数の和:95949

約数の個数: 24

約数和(自身を含む): 273816144

約数和(自身を除く): 145346324

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 95873, 191746, 383492, 479365, 958730, 1917460, 6423491, 12846982, 25693964, 32117455, 64234910, 128469820]

約数ペア:

[(1, 128469820), (2, 64234910), (4, 32117455), (5, 25693964), (10, 12846982), (20, 6423491), (67, 1917460), (134, 958730), (268, 479365), (335, 383492), (670, 191746), (1340, 95873)]