64628620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20071}}^1$

素因数の和:20110

約数の個数: 48

約数和(自身を含む): 161860608

約数和(自身を除く): 97231988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20071, 40142, 80284, 100355, 140497, 200710, 280994, 401420, 461633, 561988, 702485, 923266, 1404970, 1846532, 2308165, 2809940, 3231431, 4616330, 6462862, 9232660, 12925724, 16157155, 32314310, 64628620]

約数ペア:

[(1, 64628620), (2, 32314310), (4, 16157155), (5, 12925724), (7, 9232660), (10, 6462862), (14, 4616330), (20, 3231431), (23, 2809940), (28, 2308165), (35, 1846532), (46, 1404970), (70, 923266), (92, 702485), (115, 561988), (140, 461633), (161, 401420), (230, 280994), (322, 200710), (460, 140497), (644, 100355), (805, 80284), (1610, 40142), (3220, 20071)]