1790125240

素因数分解:

$2^3\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{21001}}^1$

素因数の和:23143

約数の個数: 32

約数和(自身を含む): 4029863760

約数和(自身を除く): 2239738520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2131, 4262, 8524, 10655, 17048, 21001, 21310, 42002, 42620, 84004, 85240, 105005, 168008, 210010, 420020, 840040, 44753131, 89506262, 179012524, 223765655, 358025048, 447531310, 895062620, 1790125240]

約数ペア:

[(1, 1790125240), (2, 895062620), (4, 447531310), (5, 358025048), (8, 223765655), (10, 179012524), (20, 89506262), (40, 44753131), (2131, 840040), (4262, 420020), (8524, 210010), (10655, 168008), (17048, 105005), (21001, 85240), (21310, 84004), (42002, 42620)]