128839210

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^2\times {\mathrm{1009}}^1$

素因数の和:1242

約数の個数: 24

約数和(自身を含む): 234212940

約数和(自身を除く): 105373730

約数列:

[1, 2, 5, 10, 113, 226, 565, 1009, 1130, 2018, 5045, 10090, 12769, 25538, 63845, 114017, 127690, 228034, 570085, 1140170, 12883921, 25767842, 64419605, 128839210]

約数ペア:

[(1, 128839210), (2, 64419605), (5, 25767842), (10, 12883921), (113, 1140170), (226, 570085), (565, 228034), (1009, 127690), (1130, 114017), (2018, 63845), (5045, 25538), (10090, 12769)]