12786520

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1091}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 28894320

約数和(自身を除く): 16107800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1091, 1172, 1465, 2182, 2344, 2930, 4364, 5455, 5860, 8728, 10910, 11720, 21820, 43640, 319663, 639326, 1278652, 1598315, 2557304, 3196630, 6393260, 12786520]

約数ペア:

[(1, 12786520), (2, 6393260), (4, 3196630), (5, 2557304), (8, 1598315), (10, 1278652), (20, 639326), (40, 319663), (293, 43640), (586, 21820), (1091, 11720), (1172, 10910), (1465, 8728), (2182, 5860), (2344, 5455), (2930, 4364)]