7281040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7027

約数の個数: 40

約数和(自身を含む): 18233208

約数和(自身を除く): 10952168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7001, 14002, 28004, 35005, 56008, 70010, 91013, 112016, 140020, 182026, 280040, 364052, 455065, 560080, 728104, 910130, 1456208, 1820260, 3640520, 7281040]

約数ペア:

[(1, 7281040), (2, 3640520), (4, 1820260), (5, 1456208), (8, 910130), (10, 728104), (13, 560080), (16, 455065), (20, 364052), (26, 280040), (40, 182026), (52, 140020), (65, 112016), (80, 91013), (104, 70010), (130, 56008), (208, 35005), (260, 28004), (520, 14002), (1040, 7001)]