2631280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 6321024

約数和(自身を除く): 3689744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1061, 1240, 2122, 2480, 4244, 5305, 8488, 10610, 16976, 21220, 32891, 42440, 65782, 84880, 131564, 164455, 263128, 328910, 526256, 657820, 1315640, 2631280]

約数ペア:

[(1, 2631280), (2, 1315640), (4, 657820), (5, 526256), (8, 328910), (10, 263128), (16, 164455), (20, 131564), (31, 84880), (40, 65782), (62, 42440), (80, 32891), (124, 21220), (155, 16976), (248, 10610), (310, 8488), (496, 5305), (620, 4244), (1061, 2480), (1240, 2122)]