2702120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 6225120

約数和(自身を除く): 3523000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1571, 1720, 3142, 6284, 7855, 12568, 15710, 31420, 62840, 67553, 135106, 270212, 337765, 540424, 675530, 1351060, 2702120]

約数ペア:

[(1, 2702120), (2, 1351060), (4, 675530), (5, 540424), (8, 337765), (10, 270212), (20, 135106), (40, 67553), (43, 62840), (86, 31420), (172, 15710), (215, 12568), (344, 7855), (430, 6284), (860, 3142), (1571, 1720)]