13056520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7591}}^1$

素因数の和:7645

約数の個数: 32

約数和(自身を含む): 30064320

約数和(自身を除く): 17007800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7591, 15182, 30364, 37955, 60728, 75910, 151820, 303640, 326413, 652826, 1305652, 1632065, 2611304, 3264130, 6528260, 13056520]

約数ペア:

[(1, 13056520), (2, 6528260), (4, 3264130), (5, 2611304), (8, 1632065), (10, 1305652), (20, 652826), (40, 326413), (43, 303640), (86, 151820), (172, 75910), (215, 60728), (344, 37955), (430, 30364), (860, 15182), (1720, 7591)]