125680040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{14891}}^1$

素因数の和:15113

約数の個数: 32

約数和(自身を含む): 284139360

約数和(自身を除く): 158459320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 14891, 29782, 59564, 74455, 119128, 148910, 297820, 595640, 3142001, 6284002, 12568004, 15710005, 25136008, 31420010, 62840020, 125680040]

約数ペア:

[(1, 125680040), (2, 62840020), (4, 31420010), (5, 25136008), (8, 15710005), (10, 12568004), (20, 6284002), (40, 3142001), (211, 595640), (422, 297820), (844, 148910), (1055, 119128), (1688, 74455), (2110, 59564), (4220, 29782), (8440, 14891)]